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

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

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

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

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

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 legislation would slash essential services and disproportionately benefit the wealthy ...

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 ...

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

The European Space Agency will soon select the finalists for a competition intended to support the development of new launch ...

The UK has launched a £75.6 million bid to build a spaceship to clear space debris, including satellites. Officials say the ...