The stellar companion may help explain why the brightness of Betelgeuse, the red supergiant, is open to so much variation.

What could we choose as the seven most remarkable celestial objects visible either with our eyes or with a small telescope?

Earth plunged into one of the most extreme climate events in its history. In several stages, the planet became a giant ...

Earlier this year, astronomers reported possible evidence of life on another planet – but new observations from JWST suggest the apparent biosignature isn’t there after all ...

Scientists have confirmed a potentially habitable fifth planet in the nearby L 98-59 system, revealing a diverse collection ...

A transiting exoplanet has revealed a huge "spot" near the pole of its tiny M-dwarf parent star. The spot has been around at least 7 years and occupies 7% of the sun's surface.

Scientists have discovered that Earth could have at least six minimoons that we never knew existed. A minimoon is a small ...

A newly discovered exoplanet may offer astronomers a rare look at how planetary evolution unfolds, revealing the processes ...

A fifth planet has been detected within the habitable zone of a neighboring star, where conditions could perhaps support ...

A startling photo from NASA has revealed something climate scientists didn't think was possible in one of the world's most ...

Two NASA satellites rocketed into orbit from California aboard a SpaceX Falcon 9 rocket Wednesday, commencing a $170 million ...

In March 2025, a magnitude 7.7 earthquake struck central Myanmar, marking the strongest seismic event in over a century. A ...