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On this day in space! August 1, 1774: Oxygen is discovered!
By Hanneke Weitering published
On August 1, 1774, natural philosopher Joseph Priestley was working with gases when he discovered oxygen.

New Apollo Lunar Roving Vehicle features 'most accurate details' in a Lego set
By Robert Z. Pearlman published
There is a moment when building Lego's new NASA-inspired set that the assembly goes from looking like plastic bricks to being a moon buggy. Then you realize you're not even a quarter of the way done.

Hubble Telescope spots a stunning spiral galaxy shining in the 'Little Lion' (image)
By Sharmila Kuthunur published
A new Hubble Telescope image shines a spotlight on a classic spiral galaxy named NGC 3430.

'That was a really wild experience': How brand-new NASA astronaut Andre Douglas joined Artemis 2 moon mission (exclusive)
By Elizabeth Howell published
Andre Douglas became eligible for NASA spaceflights in March. Weeks later, the NASA astronaut learned he would back up the next mission to fly humans around the moon.

What it takes to keep NASA's flagship Chandra observatory flying for a quarter century
By Sharmila Kuthunur published
To celebrate the 25th anniversary of the flagship Chandra X-ray observatory, NASA released a behind-the-scenes look at the work it takes to keep the $1.5 billion telescope flying in space.

SpaceX's historic Polaris Dawn astronaut mission delayed until mid-August
By Mike Wall published
SpaceX is now eyeing mid- to late August for the launch of the Polaris Dawn astronaut mission, which will feature the first-ever private spacewalk.

A moon of Uranus could have a hidden ocean, James Webb Space Telescope finds
By Robert Lea published
Astronomers have found that Ariel, a moon of Uranus, has some of the most carbon dioxide-rich deposits in the solar system, hinting at a buried water ocean.

International Space Station: Live updates
By Elizabeth Howell published
Find out what's going on at the International Space Station.
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