Earth” that sits in the temperate zone of its star, instantly vaulting it into the short list of worlds that might be able to ...

Eight distant worlds hold secrets that still puzzle scientists and spark endless curiosity. Each moon offers a strange allure ...

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...

These images mark an early milestone in the mission, confirming that OSIRIS-APEX is healthy and on course for its 2029 ...

Far beyond Neptune, at the far outer rim of our Solar System, astronomers have spotted what looks like a hidden “structure” ...

Planet hunters have grown used to strange worlds, but a handful of discoveries now point to something even more radical: ...

Saturn stunned skywatchers on 23 November when its iconic rings seemed to vanish, leaving the planet looking strangely bare. Astronomers confirmed not ...

European astronomers report the discovery of a second alien world in the TOI-1422 planetary system located some 500 light ...

A new study of the red dwarf system TOI-3884 has uncovered rare, persistent spot-crossing signals that reveal unusually detailed information about the star’s magnetic activity and the planet’s orbital ...

The debris from this event created Saturn’s signature rings. It is possible that other gas giants like Jupiter, Uranus, and Neptune also had rings once ...

A team of astronomers from Princeton University and the Institute for Advanced Study has identified what appears to be a new ...