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Astronaut helps schools learn about World Ocean Week

Astronauts in Boeing capsule arrive at space station. Video, 00:00:48Astronauts in Boeing capsule arrive at space station

Musk's Starship rocket makes breakthrough ocean landing

Delayed Boeing Starliner docks into ISS

Moment of lift-off for Boeing Starliner's first crewed mission. Video, 00:01:11Moment of lift-off for Boeing Starliner's first crewed mission

Boeing launches long-delayed astronaut capsule

Boeing Starliner launches first crewed mission

Earliest and most distant galaxy ever observed

1970: Apollo 13: Studio Reaction to Safe Return. Video, 00:03:001970: Apollo 13: Studio Reaction to Safe Return

1959: Monkeys survive space flight. Video, 00:01:011959: Monkeys survive space flight

This is what it's like inside a black hole. Video, 00:00:53This is what it's like inside a black hole

2001: Mars Odyssey launched. Video, 00:00:582001: Mars Odyssey launched

1990: First image sent from Hubble Space Telescope. Video, 00:01:061990: First image sent from Hubble Space Telescope

1967: Three astronauts die in Apollo 1 tragedy. Video, 00:02:351967: Three astronauts die in Apollo 1 tragedy

Voyager-1 sends readable data again from deep space

Preventing space contamination rises up the agenda

Nasa says part of ISS station hit Florida home

Nasa: 'New plan needed to return rocks from Mars'

Robot dog trains to walk on Moon in Oregon trials. Video, 00:01:04Robot dog trains to walk on Moon in Oregon trials

A look inside the Nasa jet chasing the solar eclipse. Video, 00:01:35A look inside the Nasa jet chasing the solar eclipse

Total solar eclipse brings darkness to millions as it sweeps North America

1978: Timing is everything. Video, 00:00:261978: Timing is everything