Soviet Russia's Soyuz 11 cosmonauts Georgi Dobrovolski, Vladislav Volkov, and Viktor Patsayev died on their return to Earth ...

US military officials believe Russia and China are aggressively testing new offensive space capabilities, pointing to a ...

The Science Museum in London is closing its almost 40-year-old 'Exploring Space' gallery to establish a new 'Space' gallery ...

Here's a look at some others who found themselves stuck in space — by choice or not — along with some cool spaceflight ...

China is practicing “dogfighting” satellites as part of its expanding capabilities in space, according to the United States ...

Butch Wilmore and Suni Williams left the International Space Station after nine months in space, checking out with two other ...

As astronauts Butch Wilmore and Sunita Williams return to Earth this week after being stranded at the ISS for 9 months, ...

Roughly, he spent a total of 14 months and 17 days in space uninterrupted; a record to this day. It had meant to be 16 months ...

Days later, Dmitriev said he is expecting to speak with Musk, the world's richest man, about a potential mission to Mars.

Astronomers are racing to protect the dark skies as private companies seek to place large advertisements in Earth orbit ...

NASA astronauts Sunita Williams and Barry “Butch” Wilmore splashed down safely Tuesday in the Gulf of Mexico after an ...

Elon Musk, the world's richest man, said he tried to buy rockets from Russia as part of his goal to get a manned mission to ...