Portal Space Systems has raised $17.5 million to accelerate the development of a space vehicle with a solar thermal ...

NASA's Parker Solar Probe has completed is 2nd ultra-close flyby of the sun, and survived to transmit its data back to Earth.

NASA astronauts Suni Williams and Butch Wilmore both say they'd ride on Boeing's Starliner again, despite the issues the ...

NASA astronauts Butch Wilmore and Sunita Williams, who were stuck in space for more than nine months, took questions after ...

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NASA astronaut Butch Wilmore put some of the blame on himself when asked who was responsible for Boeing Starliner’s failure ...

Astronomers bid an emotional farewell to Gaia, expressing their gratitude for its more than decade-long mission that gave us ...

After over a decade of stellar service, ESA’s Gaia spacecraft has been retired – but its legacy is just beginning. From ...

Four private spacefarers on a mission known as Fram2 set out to become the first humans to fly in orbit over both Earth's ...

Four private spacefarers on a mission known as Fram2 set out to become the first humans to fly in orbit over both Earth's ...

Four space tourists who orbited the north and south poles returned to Earth on Friday, splashing down in the Pacific to end ...

After years of NASA and private crews returning to Earth near Florida, the company shifted its landing zone to the West Coast ...