Astronomers said Comet Tsuchinshan-ATLAS reached perihelion, its closest point to the Sun, on Sept. 27 and will spin back around for another visit to Earth's neighborhood. On or before Oct. 12 will be ...
The SpaceX capsule sent to bring two astronauts stranded at the International Space Station back to Earth next year has docked. NASA switched Butch Wilmore and Suni Williams to SpaceX following ...