Nicole Stott is the latest astronaut to lend her autograph to the Space Hipsters Signature Edition series of "signed" patches ...

Radio galaxies already feature mind-bending physics, with supermassive black holes accreting matter at the galactic core and sending out vast plasma jets that glow at radio frequencies. Those larger ...

A crewed flight to the International Space Station will include American astronauts Anne McClain and Nichole Ayers, Russian astronaut Kirill Peskov and Japanese astronaut Takuya Onishi.

U.S. spacewalks were put on hold after water leaked into the airlock from the cooling loop for an astronaut's suit. NASA said the problem has been fixed. This was the eighth spacewalk for Williams, ...

India on Thursday became the fourth country to successfully achieve an unmanned docking in space, a feat seen as pivotal for future missions as New Delhi cements its place as a global space power.

There were no astronauts on board the test flight mission ... testing its ability to deliver payloads in space. The simulators were set to be placed on a suborbital trajectory, with splashdown ...

NASA astronauts who have had unplanned extended stays on the International Space Station (ISS) since this summer are both scheduled to participate in spacewalks in January. NASA astronauts Suni ...

After a gap of more than a year, NASA successfully resumed spacewalks outside the International Space Station on Thursday. NASA astronauts Nick Hague and Suni Williams, dressed in pressurized NASA ...

NASA astronauts who have had unplanned extended stays on the International Space Station (ISS) since this summer are both scheduled to participate in spacewalks in January. Williams and Wilmore are ...

This is the eighth space walk of Suni Williams' career One of the two astronauts stranded at the International Space Station (ISS) has taken their first space walk since arriving at the station ...