Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth? A discovery ...

Curiosity, NASA's Mars rover, accidentally cracked open a seemingly ordinary rock, revealing an unexpected yellow substance ...

Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.

Earth" that is located about 154 light-years away and is nearly twice as big and four times as massive as our planet.

Astronomers have found a new exoplanet named TOI-1846 b. This planet is nearly twice the size of Earth. It may contain a lot ...

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

Mars is thought to currently have all the necessary ingredients for life except for perhaps the most important one: liquid ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Astronomers discovered 3I/ATLAS, an interstellar object moving at over 60 km/s towards the Sun. It's the third known object ...

It's been covered in ice for 34 million years. But scientists are finally uncovering what Antarctica's landscape really looks ...

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...

Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar ...