The space of night is infinite,
The blackness and emptiness
Crossed only by thin bright fences
Of logic

— Kenneth Rexroth
"Theory of Numbers"

Astronomy

Why auroras are so much brighter and more easily visible recently

New Scientist Space - Cosmology - Wed, 08/27/2025 - 12:00pm
The aurora borealis has been remarkably bright recently. Space weather physicist Tamitha Skov reveals what's going on and how worried we should be about a major solar storm
Categories: Astronomy

How old is Jupiter? Meteorite 'raindrops' help scientists pin down gas giant's age

Space.com - Wed, 08/27/2025 - 12:00pm
Scientists have solved how molten "raindrops" in meteorites, called chondrules, were formed — and the discovery reveals key details about Jupiter's origin.
Categories: Astronomy

Best Nikon lenses in 2025 — wide-angle, telephoto, prime and zoom lenses

Space.com - Wed, 08/27/2025 - 11:00am
We've rounded up the best Nikon lenses from ultra-wide to telephoto, just what you need to take your photography to the next level.
Categories: Astronomy

How scientists are using exoplanets to map out 'polka dots' on stars

Space.com - Wed, 08/27/2025 - 11:00am
Scientists have developed a new technique that could help them understand "polka dot" stars using the transits of exoplanets.
Categories: Astronomy

SpaceX's Starship rocket finally completes successful test flight

New Scientist Space - Cosmology - Wed, 08/27/2025 - 10:09am
After three consecutive and dramatic failed missions, SpaceX has successfully launched Starship to space in a key step for NASA's lunar programme
Categories: Astronomy

SpaceX's Starship rocket finally completes successful test flight

New Scientist Space - Space Headlines - Wed, 08/27/2025 - 10:09am
After three consecutive and dramatic failed missions, SpaceX has successfully launched Starship to space in a key step for NASA's lunar programme
Categories: Astronomy

Harassment at Antarctic research bases could spell problems for moon, Mars outposts

Space.com - Wed, 08/27/2025 - 10:00am
The National Science Foundation is already implementing some recommendations after a recent survey found issues with sexual assault and harassment on Antarctic missions.
Categories: Astronomy

Global Birth Rates Are Falling, but the Answer Isn’t to Have More Babies

Scientific American.com - Wed, 08/27/2025 - 9:30am

Steep population declines in most countries are expected to have negative effects over the next several generations, but adaptation is possible

Categories: Astronomy

Algae bloom chlorophyll South Australia

ESO Top News - Wed, 08/27/2025 - 9:18am
Image: This Copernicus Sentinel-3 image shows high concentrations of chlorophyll in yellow-green along the coastline of South Australia, near Adelaide. Chlorophyll-a is a key indicator of the presence of algae in the ocean.
Categories: Astronomy

Warped spacetime with surprise 'double-zoom' reveals radiation around distant supermassive black hole

Space.com - Wed, 08/27/2025 - 9:00am
A happy coincidence and a theory first put forward by Albert Einstein over 100 years ago helped scientists detect faint radiation around a distant supermassive black hole.
Categories: Astronomy

Moon photobombs the sun in wild NOAA satellite image | Space photo of the day for Aug. 27, 2025

Space.com - Wed, 08/27/2025 - 8:29am
The National Oceanic and Atmospheric Administration (NOAA) saw the moon pass almost directly in front of the sun and captured it on a coronagraph.
Categories: Astronomy

ESA and JAXA advance potential Apophis mission collaboration

ESO Top News - Wed, 08/27/2025 - 8:00am

The Japan Aerospace Exploration Agency (JAXA) has requested funding to participate in the European Space Agency’s (ESA) Rapid Apophis Mission for Space Safety (Ramses).

Categories: Astronomy

Baby Planet Clears Gap in Young Protoplanetary Disk

Sky & Telescope Magazine - Wed, 08/27/2025 - 8:00am

With the Very Large Telescope in Chile, astronomers have spotted a planet forming around a star 430 light-years away.

The post Baby Planet Clears Gap in Young Protoplanetary Disk appeared first on Sky & Telescope.

Categories: Astronomy

That mysterious 'Wow! signal' from space? Scientists may finally know where it came from — and it's probably not aliens

Space.com - Wed, 08/27/2025 - 8:00am
Scientists studying the famous 'Wow! signal' think they've finally pinpointed a possible origin for the baffling radio transmission detected in 1977.
Categories: Astronomy

The Great Filter Part 1: The Legacy of Fermi’s Paradox

Universe Today - Wed, 08/27/2025 - 7:44am

Where is everybody? For decades that question was merely a part of physics legend, the kind of thing grad students overhear when their advisors take them out to dinner.

Categories: Astronomy

The "Wow!" Signal Gets An Update - It Was Even Strong Than We Thought

Universe Today - Wed, 08/27/2025 - 7:44am

The “Wow!” signal has been etched red marker in the memory of advocates for the search for extraterrestrial intelligence (SETI) since its unveiling in 1977. To this day, it remains one of the most enigmatic radio frequency signals ever found. Now a new paper from a wide collection of authors, including some volunteers, provides some corrections, and some new insights, into both the signal and its potential causes.

Categories: Astronomy

Finding Life Using Old Instruments In New Ways

Universe Today - Wed, 08/27/2025 - 7:44am

A Ph.D. student and his supervisor at Imperial College London have developed a simple way to test for active life on Mars and other planets using equipment already on the Mars Curiosity rover and planned for future use on the ExoMars Rosalind Franklin rover.

Categories: Astronomy

Deep-Sea Nodules May Produce Oxygen—Raising Concerns over Ocean Mining

Scientific American.com - Wed, 08/27/2025 - 6:00am

Deep-sea rocks packed with valuable metals may also be making oxygen in the deep, dark ocean—raising new questions about the cost of mining them.

Categories: Astronomy

Starship Mars rocket met 'every major objective' on epic Flight 10 test launch, SpaceX says

Space.com - Wed, 08/27/2025 - 6:00am
The Starship megarocket checked every significant box during its 10th test flight on Tuesday evening (Aug. 26), according to SpaceX.
Categories: Astronomy

Webb investigates complex heart of a cosmic butterfly

ESO Top News - Wed, 08/27/2025 - 4:00am

The NASA/ESA/CSA James Webb Space Telescope has revealed new details in the core of the Butterfly Nebula, NGC 6302. From the dense, dusty torus that surrounds the star hidden at the centre of the nebula to its outflowing jets, the Webb observations reveal many new discoveries that paint a never-before-seen portrait of a dynamic and structured planetary nebula.

Categories: Astronomy