2 International Space Station (ISS) astronauts will perform a spacewalk on February 15. Live TV coverage starts at 10:30 UTC (5:30 a.m. EST). The spacewalk begins at 12:10 UTC (7:10 a.m. EST) and lasts about 6 hours.
As the young moon receded from Earth and began spinning more slowly, its large equatorial bulge would have shrunk, cooled and hardened. Today, this fossil bulge on the moon tells a story about the early solar system.
It was meant to go into an orbit that would take it past Mars, but where's it going really? Plus, see outer space from the vantage point of Starman, the mannequin in Elon Musk's red Tesla Roadster, and much more.
Follow Musk's description of the successful launch of the Falcon Heavy lift vehicle, which will give the U.S. a capability in space not seen since the Saturn V rockets of the Apollo era.
The James Webb Telescope's 2 component halves had been undergoing testing in Houston. They're now at Northrop Grumman Aerospace Systems in California, about to be assembled.
Terrestrial means more like Earth than Jupiter or Saturn. Water-rich means a potential for life. New insights about the 7 planets orbiting the nearby star TRAPPIST-1.