Space.com
Night sky glows purple above Vera Rubin Observatory | Space photo of the day for July 22, 2025
The Vera Rubin Observatory in the Atacama Desert recalibrated under a purple night sky.
Categories: Astronomy
Hubble spots interstellar invader Comet 3I/ATLAS for the first time
The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday morning (July 21).
Categories: Astronomy
SpaceX aborts satellite launch 11 seconds before liftoff (video)
SpaceX aborted the planned launch of two of SES' O3b mPOWER communications satellites just before liftoff on Monday evening (July 21). The company will try again tomorrow (July 22).
Categories: Astronomy
'Chaos' reigns beneath the ice of Jupiter moon Europa, James Webb Space Telescope reveals
New observations from the James Webb Space Telescope (JWST) are painting a new picture of Jupiter's moon Europa and revealing the hidden chemistry of the icy moon's interior.
Categories: Astronomy
Eclipse chasers share insider tips, travel advice and skywatching secrets for the 2026 total solar eclipse
Our expert travel guide to the 2026 total solar eclipse in Greenland, Iceland and Spain is packed with insider tips, travel advice and skywatching secrets from seasoned eclipse chasers.
Categories: Astronomy
This new 'CosmoCube' moon orbiter could eavesdrop on whispers from the early universe
U.K. scientists plan to send a small spacecraft to the moon's far side to detect faint radio signals emitted shortly after the Big Bang.
Categories: Astronomy
NASA's X-59 'quiet' supersonic jet rolls out for its 1st test drive (video)
NASA recently took its new X-59 "quiet' supersonic jet for a drive during taxi tests, one of the final hurdles between the aircraft and its first flight.
Categories: Astronomy
These 3 popular skywatching star clusters may be branches of the same family tree
The Orion Nebula, the Pleiades and the Hyades open clusters could represent the different phases of star clusters: baby, adolescent and elderly.
Categories: Astronomy
When did our solar system's planets form? Discovery of tiny meteorite may challenge the timeline
Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same time, challenging current models of our solar system’s evolution.
Categories: Astronomy
'Most impressive!' Darth Vader's screen-used 'Star Wars' lightsaber could fetch $3 million in September auction
Propstore will also trot out this rare relic for a 3-city press tour this August
Categories: Astronomy
Astronomers crack 1,000-year-old Betelgeuse mystery with 1st-ever sighting of secret companion (photo, video)
Astronomers have finally imaged the long theorized companion star of Betelgeuse, solving a mystery regarding its dimming that has persisted for millennia.
Categories: Astronomy
ESA selects 5 rocket companies for European Launcher Challenge
Germany's Isar and RFA, France's Maiaspace, Spain's PLD Space, and UK-based Orbex have been pre-selected for ESA's €169 million launcher initiative.
Categories: Astronomy
Amateur astrophotographer captures trio of breathtaking nebulas from the Central Australian Desert (photos)
"There's some great targets in the southern hemisphere, including the Carina Nebula."
Categories: Astronomy
Astronauts collect blood aboard the ISS | Space photo of the day for July 21, 2025
Astronauts aboard the International Space Station collect blood samples as part of a project to study human health in space.
Categories: Astronomy
What are these strange swirls around an infant star? 'We may be watching a planet come into existence in real time'
Astronomers have discovered a baby exoplanet "spiral architect" carving complex swirls into a disk of gas and dust around the young star HD 135344B.
Categories: Astronomy
Earth will spin faster today to create 2nd-shortest day in history
Our planet has been rotating at its fastest since records began in 1973.
Categories: Astronomy
South Korea wants to build a moon base by 2045
South Korea just laid out its long-term space exploration road map, which features the planned construction of a moon base two decades from now.
Categories: Astronomy
This wild bioplastic made of algae just aced a Mars pressure test. Can astronauts use it to build on the Red Planet?
Scientists have grown algae in bioplastic habitats under Mars-like conditions, a step that could bring long-term space colonization closer to reality.
Categories: Astronomy
Discover where the Eagle might have landed: How to find Apollo 11's backup sites on the moon
Find the locations of the five landing zones considered as the setting for humanity's first steps on another world.
Categories: Astronomy
NASA's Roman Space Telescope could discover 100,000 new cosmic explosions: 'We're definitely expecting the unexpected'
Supernovas, kilonovas, gamma-ray bursts... oh my! The Nancy Grace Roman Space Telescope will uncover 100,000 of these explosions and many more powerful and violent cosmic events.
Categories: Astronomy