Two possibilities exist: Either we are alone in the Universe or we are not.
Both are equally terrifying.

— Arthur C. Clarke

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ESO Top News - 0 sec ago

The European Space Agency's Ministerial Council – more formally Council at Ministerial level – takes place in Bremen, Germany on 26 and 27 November 2025. 

Categories: Astronomy

Alnitak, Alnilam, Mintaka

APOD - 2 hours 44 min ago

Alnitak, Alnilam, Mintaka


Categories: Astronomy, NASA

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APOD - 2 hours 44 min ago

Sometimes the dark dust of interstellar space has an angular elegance.


Categories: Astronomy, NASA

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APOD - 2 hours 44 min ago

What does the Milky Way look like in radio waves?


Categories: Astronomy, NASA

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APOD - 2 hours 44 min ago

What has happened to Comet Lemmon's tail?


Categories: Astronomy, NASA

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APOD - 2 hours 44 min ago

If this is Saturn, where are the rings?


Categories: Astronomy, NASA

Andromeda and Friends

APOD - 2 hours 44 min ago

Andromeda and Friends


Categories: Astronomy, NASA

3I/ATLAS: A View from Planet Earth

APOD - 2 hours 44 min ago

Now outbound after its perihelion or closest approach to the Sun


Categories: Astronomy, NASA

Hubble Seeks Clusters in ‘Lost Galaxy’

NASA News - 3 hours 44 min ago
Explore Hubble

2 min read

Hubble Seeks Clusters in ‘Lost Galaxy’ This NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 4535. ESA/Hubble & NASA, F. Belfiore, J. Lee and the PHANGS-HST Team

Today’s NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 4535, which is situated about 50 million light-years away in the constellation Virgo (the Maiden). Through a small telescope, this galaxy appears extremely faint, giving it the nickname ‘Lost Galaxy’. With a mirror spanning nearly eight feet (2.4 meters) across and its location above Earth’s light-obscuring atmosphere, Hubble can easily observe dim galaxies like NGC 4535 and pick out features like its massive spiral arms and central bar of stars.

This image features NGC 4535’s young star clusters, which dot the galaxy’s spiral arms. Glowing-pink clouds surround many of these bright-blue star groupings. These clouds, called H II (‘H-two’) regions, are a sign that the galaxy is home to especially young, hot, and massive stars that blaze with high-energy radiation. Such massive stars shake up their surroundings by heating their birth clouds with powerful stellar winds, eventually exploding as supernovae.

The image incorporates data from an observing program designed to catalog roughly 50,000 H II regions in nearby star-forming galaxies like NGC 4535. Hubble released a previous image of NGC 4535 in 2021. Both the 2021 image and this new image incorporate observations from the PHANGS observing program, which seeks to understand the connections between young stars and cold gas. Today’s image adds a new dimension to our understanding of NGC 4535 by capturing the brilliant red glow of the nebulae that encircle massive stars in their first few million years of life.

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Media Contact:

Claire Andreoli (claire.andreoli@nasa.gov)
NASA’s Goddard Space Flight CenterGreenbelt, MD

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Last Updated

Nov 20, 2025

Editor Andrea Gianopoulos Location NASA Goddard Space Flight Center

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Categories: NASA

Finding star clusters in the Lost Galaxy

ESO Top News - 6 hours 44 min ago
Image: Finding star clusters in the Lost Galaxy
Categories: Astronomy

Earth from Space: The Danakil Depression

ESO Top News - 6 hours 44 min ago
Image: The Copernicus Sentinel-2 mission takes us over one of Earth’s most extreme environments: the Danakil Depression in Ethiopia.
Categories: Astronomy

Marking one year until BepiColombo reaches Mercury

ESO Top News - 7 hours 39 min ago

The ESA/JAXA BepiColombo mission has been cruising towards Mercury since October 2018. With just one year to go until it arrives at its destination, what has the mission achieved so far? And what can we expect from its two spacecraft after they enter orbit around the Solar System’s smallest and least-explored rocky planet

Categories: Astronomy

Tracking Mars' Ice Ages From Space

Universe Today - Thu, 11/20/2025 - 6:22pm

Travelling up from Mars’s equator towards its north pole, we find Coloe Fossae: a set of intriguing scratches within a region marked by deep valleys, speckled craters, and signs of an ancient ice age.

Categories: Astronomy

Europa Clipper Captures Uranus With Star Tracker Camera

NASA News - Thu, 11/20/2025 - 6:13pm
2 Min Read Europa Clipper Captures Uranus With Star Tracker Camera

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Credits:
NASA/JPL-Caltech

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Europa Clipper Captures Uranus With Star Tracker Camera

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NASA’s Europa Clipper captured this image of a starfield — and the planet Uranus — on Nov. 5, 2025, while experimenting with one of its two stellar reference units. These star-tracking cameras are used for maintaining spacecraft orientation. Within the camera’s field of view — representing 0.1% of the full sky around the spacecraft — Uranus is visible as a larger dot near the left side of the image.

Figure A is an annotated version of the image with Uranus and several background stars labeled. NASA/JPL-Caltech Figure B is an animated GIF made of a pair of images taken 10 hours apart. In this version, Uranus can be seen moving very slightly, relative to the background stars. NASA/JPL-Caltech

At the time the images were taken, Europa Clipper was about 2 billion miles (3.2 billion kilometers) from Uranus. The spacecraft is currently en route to the Jupiter system to study the icy moon Europa.

Europa Clipper launched in October 2024 and will arrive at the Jupiter system in 2030 to conduct about 50 flybys of Europa. The mission’s main science goal is to determine whether there are places below Europa’s surface that could support life. The mission’s three main science objectives are to determine the thickness of the moon’s icy shell and its surface interactions with the ocean below, to investigate its composition, and to characterize its geology. The mission’s detailed exploration of Europa will help scientists better understand the astrobiological potential for habitable worlds beyond our planet.

For more information about Europa and Europa Clipper, go to: https://science.nasa.gov/mission/europa-clipper/

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Categories: NASA

Europa Clipper Captures Uranus With Star Tracker Camera

NASA - Breaking News - Thu, 11/20/2025 - 6:13pm
2 Min Read Europa Clipper Captures Uranus With Star Tracker Camera

PIA26544

Credits:
NASA/JPL-Caltech

Photojournal Navigation

  1. Science
  2. Photojournal
  3. Europa Clipper Captures Uranus…
  Downloads

Europa Clipper Captures Uranus With Star Tracker Camera

PNG (128.99 KB)



Description

NASA’s Europa Clipper captured this image of a starfield — and the planet Uranus — on Nov. 5, 2025, while experimenting with one of its two stellar reference units. These star-tracking cameras are used for maintaining spacecraft orientation. Within the camera’s field of view — representing 0.1% of the full sky around the spacecraft — Uranus is visible as a larger dot near the left side of the image.

Figure A is an annotated version of the image with Uranus and several background stars labeled. NASA/JPL-Caltech Figure B is an animated GIF made of a pair of images taken 10 hours apart. In this version, Uranus can be seen moving very slightly, relative to the background stars. NASA/JPL-Caltech

At the time the images were taken, Europa Clipper was about 2 billion miles (3.2 billion kilometers) from Uranus. The spacecraft is currently en route to the Jupiter system to study the icy moon Europa.

Europa Clipper launched in October 2024 and will arrive at the Jupiter system in 2030 to conduct about 50 flybys of Europa. The mission’s main science goal is to determine whether there are places below Europa’s surface that could support life. The mission’s three main science objectives are to determine the thickness of the moon’s icy shell and its surface interactions with the ocean below, to investigate its composition, and to characterize its geology. The mission’s detailed exploration of Europa will help scientists better understand the astrobiological potential for habitable worlds beyond our planet.

For more information about Europa and Europa Clipper, go to: https://science.nasa.gov/mission/europa-clipper/

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Categories: NASA

The Man in the Moon Gets a New Scar

Universe Today - Thu, 11/20/2025 - 5:43pm

The Moon gains new craters all the time, but catching one forming is surprisingly rare. Between 2009 and 2012, something struck our celestial companion just north of Römer crater, creating a bright 22 metre scar with distinctive rays of ejected material spreading outward. While the Moon's most dramatic bombardment ended billions of years ago, this fresh impact reminds us that our nearest neighbour continues to be peppered by space rocks, offering scientists a rare opportunity to study crater formation in real time and refine our understanding of impact rates across the Solar System.

Categories: Astronomy

Seeing an Interstellar Comet Through Martian Eyes

Universe Today - Thu, 11/20/2025 - 5:25pm

When an interstellar comet tears through our Solar System at 250,000 kilometres per hour, pinning down its exact trajectory becomes a race against time. ESA astronomers achieved something unprecedented in October 2025, using observations from the ExoMars Trace Gas Orbiter to improve predictions of comet 3I/ATLAS's path by a factor of ten. By triangulating data from Mars with Earth based observations, scientists demonstrated a powerful technique for tracking fast moving objects that could prove invaluable for planetary defence, even though this particular visitor poses no threat to our planet.

Categories: Astronomy

NASA’s Quesst Mission Marks X-59’s Historic First Flight

NASA Image of the Day - Thu, 11/20/2025 - 5:13pm
NASA’s X-59 quiet supersonic research aircraft lifts off for its first flight Tuesday, Oct. 28, 2025, from U.S. Air Force Plant 42 in Palmdale, California. The aircraft’s first flight marks the start of flight testing for NASA’s Quesst mission, the result of years of design, integration, and ground testing and begins a new chapter in NASA’s aeronautics research legacy.
Categories: Astronomy, NASA

NASA’s Quesst Mission Marks X-59’s Historic First Flight

NASA News - Thu, 11/20/2025 - 5:12pm
NASA/Lori Losey

NASA’s X-59 quiet supersonic research aircraft took off for its historic first flight on Oct. 28, 2025, at 11:14 a.m. EDT from Lockheed Martin Skunk Works in Palmdale, California. The one-of-a-kind aircraft flew for 67 minutes before landing and taxiing to NASA’s Armstrong Flight Research Center in Edwards, California.

NASA test pilot Nils Larson flew the X-59 up to an altitude of about 12,000 feet and an approximate top speed of 230 mph, precisely as planned. The plane’s landing gear remained down during the entire flight, a common practice for experimental aircraft flying for the first time.

Now that the X-59’s first flight is in the books, the team is focused on preparing for a series of test flights where the aircraft will operate at higher altitudes and supersonic speeds. This test flight phase of NASA’s Quesst mission will ensure the X-59 meets performance and safety expectations.

Through the Quesst mission, NASA aims to usher in a new age of quiet supersonic flight, achieved through the unique design and technology of the X-59 in future supersonic transport aircraft.

Image Credit: NASA/Lori Losey

Categories: NASA

NASA’s Quesst Mission Marks X-59’s Historic First Flight

NASA - Breaking News - Thu, 11/20/2025 - 5:12pm
NASA/Lori Losey

NASA’s X-59 quiet supersonic research aircraft took off for its historic first flight on Oct. 28, 2025, at 11:14 a.m. EDT from Lockheed Martin Skunk Works in Palmdale, California. The one-of-a-kind aircraft flew for 67 minutes before landing and taxiing to NASA’s Armstrong Flight Research Center in Edwards, California.

NASA test pilot Nils Larson flew the X-59 up to an altitude of about 12,000 feet and an approximate top speed of 230 mph, precisely as planned. The plane’s landing gear remained down during the entire flight, a common practice for experimental aircraft flying for the first time.

Now that the X-59’s first flight is in the books, the team is focused on preparing for a series of test flights where the aircraft will operate at higher altitudes and supersonic speeds. This test flight phase of NASA’s Quesst mission will ensure the X-59 meets performance and safety expectations.

Through the Quesst mission, NASA aims to usher in a new age of quiet supersonic flight, achieved through the unique design and technology of the X-59 in future supersonic transport aircraft.

Image Credit: NASA/Lori Losey

Categories: NASA