Two NASA astronauts will step outside the International Space Station on Thursday to take part in U.S. Spacewalk 93, NASA's fifth-ever all-female spacewalk.

Kosmos 482 —originally launched on March 31, 1972, as part of the Soviet Union's ambitious Venera program to explore Venus—is ...

In 1972, the Soviet Union’s Venera 8 spacecraft became the second ever to land on Venus. It operated for 50 minutes in the ...

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...