Space exploration and travel

New research suggests gamma rays stunt plant growth.
Karen Kwon, Contributor
Cave microbes on Earth may help guide scientists toward life on Mars.
Nala Rogers, Staff Writer
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
This month in pictures
Abigail Malate, Staff Illustrator
Six decades ago, the Soviets launched a cosmonaut into orbit, shaking up the Cold War in ways that still reverberate.
Peter Gwynne, Contributor
Greek mythology says Icarus fell because he flew too close to the sun. What does science say?
Yuen Yiu, Staff Writer
This month in pictures
Abigail Malate, Staff Illustrator
There's a research station in Hawaii being used as a long-duration Mars and moon exploration project.
Inside Science Contributor
This month brought unusual weather to many spots around the world.
Abigail Malate, Staff Illustrator
Scientists are working on projects to see if humans can make the trip to Mars and live there.
Inside Science 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