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NASA directs its ISS crew members to board spacecraft amid leak repair attempt -
Blue Origin rocket explodes during ground test -
What is a blue moon? Everything to know before the upcoming celestial event -
An astronaut suddenly couldn’t speak in space. What does that mean for future missions? -
The Milky Way ate another galaxy. Scientists say they’ve found the scraps -
The most powerful rocket ever built is now even bigger and more powerful. But will it work? -
Asteroid mission captures rarely seen perspective of Mars during close flyby -
Neptunian moon Nereid could be lone intact survivor from ancient satellite system -
An asteroid discovered days ago will narrowly miss Earth -
Best meteor shower in the Southern Hemisphere peaks tonight -
Interstellar comet came from a much different solar system than ours -
A celestial double feature in May — two full moons -
Curiosity rover detects building blocks of life in first-ever experiment on Mars -
‘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 -
Five seconds of free fall: Astronauts describe historic moon mission — and nail-biting return to Earth
