Black holes, galaxies, mysteries and space travel

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 research suggests gamma rays stunt plant growth.
Karen Kwon, Contributor
Sunscreen and calcium supplements aren't enough to protect Mars-bound space travelers from radiation and a lack of gravity in outer space.
Yuen Yiu, Staff Writer
Errors in models used to interpret gravitational wave signals could misleadingly suggest deviations from relativity, a new study warns.
Ramin Skibba, Contributor
Sorting out space rocks and setting the record straight.
Inside Science Contributor
Catch a glimpse of a meteor shower this month.
Inside Science Contributor
Six decades ago, the Soviets launched a cosmonaut into orbit, shaking up the Cold War in ways that still reverberate.
Peter Gwynne, Contributor
The four-year process of casting the sixth of seven primary mirrors for the Giant Magellan Telescope began this month.
Catherine Meyers, Editor
There's a research station in Hawaii being used as a long-duration Mars and moon exploration project.
Inside Science Contributor
Scientists are working on projects to see if humans can make the trip to Mars and live there.
Inside Science Contributor
Experiments reveal electrical sparks might light up the raging dust storms on Mars.
Nikk Ogasa, Contributor
The space shuttle Columbia disintegrated as it reentered the atmosphere Feb. 1, 2003.
Inside Science Contributor
Scientists want to mine the moon for ice to use in rocket fuel for a future refueling station.
Inside Science Contributor