Our coverage sheds light on the boundless darkness, the physical violence and the mysterious, awesome reaches of our universe. We ponder how it all began and about our place in the cosmos: Are we alone? Is there life on other planets? Will interplanetary travel save the human race? We also explore space through images, videos and illustration.
Bacteria and yeast can survive under hydrogen in the lab, which may mean more planets could support extraterrestrial life.
Scientists may soon be able to observe a dramatic, long-predicted consequence of Einstein’s theory of general relativity.
Puzzling planets with the apparent density of cotton candy probably have rings, according to a new study.
The space agency’s InSight lander has detected hundreds of marsquakes since arriving on the red planet about 15 months ago.
Some scientists have been poking at the foundations of dark energy, but many say the concept remains on solid, if mysterious, ground.