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The asteroid that will spare Earth might hit the moon instead. What happens if it does? -
‘They are going to be rejected again’: NASA chief faces grilling on Trump’s budget proposal -
Spring’s first meteor shower takes place this week. Here’s how to watch -
‘Bathtub ring’ offers new evidence for Mars ocean billions of years ago -
Five seconds of free fall: Astronauts describe historic moon mission — and nail-biting return to Earth -
What the Artemis II crew shared in first remarks after return to Earth
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Get caught up on the Artemis II crew’s moon journey. What’s happened so far and what’s next -
Heading home: The riskiest part of the Artemis II moon mission is still ahead -
Why NASA sent ‘organ chips’ of the Artemis II crew into space -
The Artemis II astronauts are heading home. The biggest risks could still lie ahead -
Highlights from Artemis II reveal life in space is even weirder than we thought -
‘It really bent your mind’: The life-altering phenomenon astronauts experience in space -
NASA releases new ‘Earthset’ and eclipse images taken during historic flyby of the moon -
Artemis II astronauts will see parts of the moon no human has before. Here’s how -
More than halfway to the moon, the Artemis II astronauts grappled with a toilet problem
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4 astronauts are on an unprecedented path around the moon. But why aren’t they landing? -
As 4 astronauts aim to make history at the moon, Trump recommends slashing NASA’s budget -
New Artemis II moon image includes part of the moon never before observed by human eyes -
NASA releases stunning first images of Earth taken by the Artemis II astronauts -
April’s full pink moon rose in the night sky this week -
Planning to follow NASA’s moon mission launch? Here’s what to watch for -
This is Countdown, CNN’s newsletter covering NASA’s first time sending humans to deep space in over 50 years