Elon Musk threatens to retire SpaceX's Dragon spacecraft after spat with Trump. What does it mean for the US space industry?
Two Stunning Conjunctions Will Light Up the Night Sky This Month. Here's How to See Mars and Mercury 'Kiss' the Moon
Japanese spacecraft goes dark during moon landing attempt. Its payload would have been the world's first.
What if the Big Bang wasn't the beginning? New research suggests it may have happened inside a black hole
'Invisible threat': Swarm of hidden 'city killer' asteroids around Venus could one day hit Earth, calculations show
NASA spacecraft finds solar 'cannonballs' may have stripped Mars of its water, confirming decades-old theory
Faced with a sharp funding cut, scientists propose using black holes as particle colliders instead of building new ones on Earth