Hubble Telescope spies ‘wake’ of supergiant Beutelgeuse’s hidden companion star

Using new observations from the Hubble Space Telescope and observatories on Earth, scientists have confirmed the existence of Betelgeuse’s elusive companion star, named Siwarha.

This Canadian crater looks like marbled meat | Space photo of the day for Jan. 6, 2026

The reservoir seen in this image is sometimes referred to as the “eye of Quebec.”

Women who rewrote the stars: Test your knowledge of female astronomers

From ancient stargazers to modern-day space scientists, women have shaped our understanding of the cosmos. This crossword celebrates their brilliance, resilience, and astronomical achievements.

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.