Mercury astronaut John Glenn was 77 when he returned to orbit on a short shuttle flight in 1998. But he’d been gone from NASA ...

The China National Space Administration (CNSA) has recently opened access to its precious Chang'e-5 moon rock samples to ...

On April 28, 2001, the world's first space tourist hitched a ride to the International Space Station on a Russian Soyuz ...

Astrophysicist Jonathan McDowell told Newsweek there were changes in Cosmos 2553's orbit amid speculation about the satellite ...

April 28 marks the day Dennis Tito, a millionaire businessman from the US, became the world’s first space tourist in 2001. He ...

Russia launched a drone assault across Ukraine, officials said, after U.S. President Donald Trump cast doubt over Russian ...

A Russian military satellite, Cosmos 2553, believed by US officials to be linked to Moscow's nuclear anti-satellite weapons ...

Bolstered by its technological superiority, the billionaire's company has become indispensable, particularly for Ukraine.

Russia has unveiled a new plasma-powered engine that is said to make a trip to Mars possible in 30 days marking a new chapter ...

The talks seek to limit Iran’s nuclear program in exchange for the lifting of some of the crushing economic sanctions the U.S. has imposed on the Islamic Republic.

The race to build on the Moon is on, and the world’s leading architecture firms have their master plans for lunar colonies ...

Cosmos 2553, a Russian satellite linked to space weapon development, appears to have malfunctioned after months of erratic ...