Interstellar comet 3I/ATLAS isn’t an alien spacecraft, astronomers confirm. ‘In the end, there were no surprises.’

Bad news for those hoping interstellar invader 3I/ATLAS is an alien spacecraft as technosignature search turns up empty.

China’s next moonshot: Chang’e 7 could search the lunar south pole for water this year

China’s ice-hunting Chang’e 7 mission is scheduled to launch to the moon later this year, helping set the stage for a lunar base that the country aims to build in the 2030s.

‘It would be a fundamental breakthrough’: Mysterious dark matter may interact with cosmic ‘ghost particles’

“If this interaction between dark matter and neutrinos is confirmed, it would be a fundamental breakthrough.”

The universe may be lopsided, new research says

The shape of the universe is not something we often think about.

The 2026 ‘Super Bowl of Astronomy’ starts today — here’s what’s happening

Astronomers are gathering in Phoenix this week for the 247th meeting of the American Astronomical Society (AAS 247), where the latest discoveries from exoplanets, JWST and upcoming space missions will take center stage.

Carina Nebula shines with white-blue stars | Space photo of the day for Jan. 5, 2026

The Westerlund 2 star cluster is home to some of the Milky Way’s brightest stars.

Moon rush: These private spacecraft will attempt lunar landings in 2026

Lunar landers from Blue Origin, Firefly Aerospace, Intuitive Machines and Astrobotic are gearing up for moon landing attempts in 2026 as the commercial exploration of deep space expands.

See the Sky Like Never Before With a DIY Eyepiece
See the Sky Like Never Before With a DIY Eyepiece

When it comes to viewing nebulae, galaxies, and other deep-sky objects, amateur astronomers on a budget have had two options. They can view with the naked eye through a telescope and perceive these spectacular objects as faint smudges that don’t even …

Space.com headlines crossword quiz for week of Dec. 29, 2025: Which meteor shower peaks in early January?

Test your space smarts with our weekly crossword challenge, crafted from Space.com’s biggest headlines.

Astronomers detect rare ‘free floating’ exoplanet 10,000 light-years from Earth

Astronomers have detected a “free floating” rogue planet the size of Saturn drifting through the Milky Way some 10,000 light-years from Earth.