Nasa

The truth about life on other planets - and what it means for humans

What will happen to science research if Trump cuts Nasa's budget? Video, 00:01:24What will happen to science research if Trump cuts Nasa's budget?

SpaceX capsule splashes down after first crewed polar orbit flight. Video, 00:00:44SpaceX capsule splashes down after first crewed polar orbit flight

Grandfather's stained glass to hang in Nasa office

Watch: SpaceX launches first polar-orbiting mission. Video, 00:00:35Watch: SpaceX launches first polar-orbiting mission

'It's weird' - Nasa's Butch and Suni adapt to life back on Earth. Video, 00:01:47'It's weird' - Nasa's Butch and Suni adapt to life back on Earth

Airbus replaces Russia in search for life on Mars

Witness History. The historic handshake in space. Audio, 9 minutesWitness History

What in the World. Why were NASA astronauts ‘stuck’ in space? Audio, 14 minutesWhat in the World

Watch: Dolphins surround Dragon capsule after successful splashdown. Video, 00:00:37Watch: Dolphins surround Dragon capsule after successful splashdown

Astronauts splash down on Earth after extended stay in space. Video, 00:00:28Astronauts splash down on Earth after extended stay in space

Watch: Dolphins greet capsule as Nasa astronauts return to Earth. Video, 00:01:10Watch: Dolphins greet capsule as Nasa astronauts return to Earth

Tim Peake: Astronauts' departure will be 'nostalgic' Video, 00:00:40Tim Peake: Astronauts' departure will be 'nostalgic'

Astronauts begin journey to Earth after nine months in space. Video, 00:01:28Astronauts begin journey to Earth after nine months in space

How did Nasa's Suni and Butch fill nine months in space?

Moment Nasa astronauts begin journey back to Earth. Video, 00:01:32Moment Nasa astronauts begin journey back to Earth

Astronauts Butch and Suni begin journey home after nine months in space

Watch: Smiles and hugs as new crew arrives on ISS. Video, 00:00:37Watch: Smiles and hugs as new crew arrives on ISS

How two astronauts were left in space for nine months. Video, 00:01:27How two astronauts were left in space for nine months

Watch: How two astronauts were left in space for nine months. Video, 00:01:27Watch: How two astronauts were left in space for nine months

Watch: SpaceX launches rocket with crew to relieve stranded astronauts. Video, 00:01:47Watch: SpaceX launches rocket with crew to relieve stranded astronauts

'Stranded' astronauts' return delayed after SpaceX launch postponed

What will the stranded astronauts miss about space? Video, 00:01:37What will the stranded astronauts miss about space?