Mars may seem lifeless now, but experts are revealing bold strategies to change that. The vision for a habitable planet is ...

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

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 ...

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 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 ...

For over a hundred years, astronomers have puzzled over strange changes in the brightness and motion of Betelgeuse, the closest red supergiant to Earth. Located in the shoulder of Orion, this colossal ...

The U.S. once controlled the market on rare earth elements, sought after for a range of technologies. But in the last few ...