On July 2, 1985, the European Space Agency launched the Giotto space probe to get a close-up look at Halley's Comet. Nearly ...

Despite being covered in impact craters that could potentially send pieces of the planet into space, we have never found a ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only the third ...

Rocks found on Earth may have originated from Mercury: a potential breakthrough for astronomers.

Meteorites from Mercury have never been found on Earth. But two pieces discovered in the Sahara desert might be remnants of ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat. The star HIP 67522 is slightly larger than our sun and shines roughly 408 ...

Astronomers have discovered over 100 new alien worlds so far this year — some many light-years away from Earth — that ...

Va., filed a series of amendments Monday to the Republican-led budget package moving through Congress, arguing the ...

Scientists have discovered what might be only the third known interstellar object to pass through our solar system, the ...

A mysterious new world has been spotted at the galaxy's edge, sparking excitement among astronomers, and its all thanks to a ...

The first astronauts in more than 40 years from India, Poland and Hungary arrived at the International Space Station on Thursday, ferried there by SpaceX on a private flight. The crew of four will ...

Indiana Fever guard Sophie Cunningham voiced concerns about WNBA expansion this week, drawing ire for her comments on Detroit ...