To construct a warp drive, we'd need 10 times more negative energy than all of the positive energy in the universe.

Chinese scientists have announced details on the upcoming China Space Station Telescope (CSST), a cutting-edge observatory ...

BREVARD COUNTY • FLORIDA—NASA Associate Administrator Jim Free announced his retirement on Wednesday, effective Saturday, February 22.

With speculation circulating about astronaut Sunita Williams’ delayed return from the International Space Station, Dr ...

A new letter addressed to acting NASA chief Janet Petro calls out the space agency for failing to answer questions raised by lawmakers earlier this month.

"We're arguing that intelligent life may not require a series of lucky breaks to exist," said lead author Dan Mills of the ...

NASA astronaut Sunita Williams will safely return to Earth on March 19 after being stuck on the International Space Station ...

The video discusses NASA's shuttle Endeavor, which is set to launch with a mission to rescue a malfunctioning international communication satellite. The astronauts will use the shuttle's robotic arm ...

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...