New theory suggests the universe is ringing like a giant bell

Scientists closer to creating a 'Star Trek'-style replicator

World Asteroid Day reveals threat to our planet from near-Earth objects

SpaceX rocket failure doesn't threaten ISS crew

Weird planet exudes a cloud of gas

Matt Damon calls 'The Martian' a celebration of science

8 jaw-dropping photos from NASA's new image gallery

15-year-old intern discovers new planet

Support of religious groups may bolster space journeys

Comet lander Philae calls home after months of silence

How to spot asteroid Pallas in the sky this week

This lonely galaxy is 'lost in space'