The first American woman in Space talks about her historic flight on NASA's 50th anniversary. She flew aboard Space Shuttle Challenger in June 1983 on the STS-7 mission.

100 million pieces of “space junk” currently orbit our planet at 17,500 miles per hour. Adrift investigates the fate of these interstellar objects, which threaten to collide with and destroy satellites and spacecraft.

Director and producer Cath Le Couteur recruited Sally Potter to narrate the fil

Atlantis has blasted off on NASA's last space shuttle launch. The historic liftoff occurred Friday morning,July 8th, 2011, 30 years and three months after the very first shuttle flight. Four astronauts are riding Atlantis to orbit. The shuttle is bound for the International Space Station, making on...

Watch live coverage as 'Star Trek' actor William Shatner goes to the edge of space on a private Blue Origin flight. If successful, Shatner, who is 90 years old, will be the oldest person to reach space.

Launched nearly 28 years ago, the Hubble Space Telescope has changed our understanding of the cosmos, allowing us to calculate the age of the universe and the rate at which it is expanding. Hubble has allow us to peer back to almost the origins of the universe, to locations more than 13.4 billion li...

Saturday (May 30) SpaceX's first crewed mission! NASA, SpaceX to Launch First Astronauts to Space Station from U.S. Since 2011. A new era of human spaceflight is set to begin as American astronauts once again launch on an American rocket from American soil to the International Space Station as part

Meet SpaceX's Dragon V2 spacecraft, the next generation spacecraft designed to carry astronauts to Earth orbit and beyond.

The SpaceX Crew Dragon capsule splashed down in the Atlantic Ocean on Mar. 8, 2019.

49 years ago, Apollo 11 astronauts achieved something that is still considered the benchmark of human innovation: they successfully landed on the moon and returned safely back to Earth. The final moments that lead up to the historic event were full of anticipation and excitement for the Apollo team.

On Monday, scientists announced the first-ever observation of a cosmic event using both gravitational wave detectors and conventional telescopes. They witnessed a kilonova, a violent, brilliant explosion that occurs when two neutron stars collide. The discovery was a massive undertaking. Thousands o...