Live updates from Tuesday’s SpaceX Starlink 10-12 mission that launched a Falcon 9 rocket from Cape Canaveral with a booster ...

A Pilatus PC-12 aircraft equipped with a portable laser terminal transmitted 4K video to the International Space Station and back. "Laser communications use infrared light to transmit 10 to 100 times ...

This is the 16th flight for the first stage booster supporting this mission, carrying 23 satellites to low-Earth orbit.

Sagittarius A*, our galaxy's supermassive black hole, is constantly producing strange eruptions. Astronomers are using the ...