An Atlas V rocket will launch the STP-3 mission for the U.S. Space Force Tuesday, Dec. 7, and you can watch it live.
Watch live: Atlas V rocket to launch Space Test Project-3 mission
A United Launch Alliance Atlas V rocket will launch the STP-3 mission, including NASA's space laser communications demo satellite, at 5:03 a.m. EST (1003 GMT). Read more
A new video (available on YouTube in 4K) offers a stunning view of the 2021 solar eclipse that occurred on Saturday (Dec. 4).
Astronauts at the International Space Station got a glimpse of the only total solar eclipse of 2021, which was otherwise only visible to a few lucky observers in Antarctica.
The only total solar eclipse of 2021 was only visible across a remote stretch of Antarctica. See photos of what scientists saw.