An astronaut suddenly couldn’t speak in space. What does that mean for future missions?

A health scare prompted the first ever early return from the International Space Station for a medical reason. Does it change ...

One of the planet’s biggest cities is sinking so rapidly it’s visible from space

New imagery from a powerful NASA radar system reveals parts of Mexico city are sinking at rates of more than 0.5 inches a month ...
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What to watch for as NASA sends astronauts back towards the moon for the first time in decades

CNN Space and Science writer Jackie Wattle previews the historic Artemis mission sending astronauts around the Moon Calls to invoke 25th Amendment against Trump surge: What to know American journalist ...
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CNN space analyst discusses Artemis II mission

CNN’s Polo Sandoval discusses the moon mission with CNN Aerospace Analyst Miles O’Brien. Trump started the Iran war with 5 goals. How far has he gotten? Video: Video shows woman being attacked by ...