Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks are enormous.

Could humans ever set foot on Titan, or will AI-powered humanoid robots make the voyage instead?

Humanity made some halting steps toward flight over the centuries, but our species was still firmly rooted on the ground when ...

NATIONWIDE — As millions watch the historic Artemis II rocket head into space on Wednesday, days later, many more people will be looking to the skies again in the hopes of catching the Orion capsule.