A Russian Soyuz spacecraft delivered NASA astronaut Don Pettit and two cosmonauts to the International Space Station today ...

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The spacecraft will undock from the ISS on Friday at 6:04 p.m. ET after a troubling three months in orbit. You can watch the ...

A new video from an astronaut's vantage point in space captures a bright green burst over Earth as a meteor exploded in the ...

Billionaire Kam Ghaffarian's startup wants to build a space station to replace the ISS. But missteps, dire financials and ...

Sunita Williams and Butch Wilmore, two NASA astronauts, are stuck on the International Space Station (ISS) and won't be able ...

An American astronaut and two Russian cosmonauts successfully launched Wednesday for a six-month mission to the International ...

NASA and SpaceX are making final preparations for the Crew-9 astronaut flight to the ISS next week, but two of the four seats will be empty.

Once they vote on their live ballot, it is returned ... while NASA astronaut Kate Rubins voted from the International Space ...

UK-based startup DEEP is developing subsea habitats that it says will enable humans to live and work in the ocean.

The Supreme Federal Court has returned to a case that could have a huge economic impact on the federal government, report ...