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.
New measurements could help explain a long-standing scientific puzzle.
Access to a dark night sky is a universal human right, says the American Astronomical Society
"Deep learning" finds telltale arcs of light that indicate massive objects.