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.
Planets closely orbiting red dwarf stars may have dynamic tectonic plates, making them more life-friendly than previously thought.
The dragon's large belly holds clues about how stars form -- and how the process stops.
Mysterious dark matter particles may be blowing past Earth at 1.8 million kilometers per hour.