Science

2.5 billion T. Rexe traveled to Earth, but not all at once: studying

The SpaceX test launches rockets before launching NASA’s Crew-2 astronaut

The ingenuity of NASA’s Mars helicopter is a difficult spin test

The ingenuity of NASA’s Mars helicopter is a difficult spin test

As NASA troubleshoots its Mars helicopter, the Perseverance rover remains busy

NASA’s New Horizons Pluto spacecraft is still exploring at 50 AU from the sun

SpaceX agrees to point Starlink internet satellites away from space station, NASA spacecraft

Coffee waste can stimulate the recovery of tropical forests

American, 2 Russians return to Earth from the space station

Elon Musk says Starlink should be “fully mobile” by the end of 2021, allowing customers to use it at any address or in moving vehicles.