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