Spending a significant amount of time in space has several negative effects on the body. The latest discovery: thinner skin.
Russian cosmonaut Gennady Padalka is the new king of space after breaking the old record of 802 days.
Virgin Galactic just pushed its flagship aircraft higher and faster than ever before. Here's a look at the SpaceShipTwo in action.
NASA is reportedly working on technology that could take us to the moon faster than a cross-country flight.
The CEO of SpaceX and Tesla wants to speed up the development of 800-mph tube transport. He's willing to pay for testing -- most likely in Texas -- to make it happen.
A tiny roundworm is being studied in space in a bid to observe precisely what happens to muscle mass under zero-G conditions.
The private space-exploration company successfully sends a cargo capsule off to the International Space Station, but its "reusable" rocket crashes into its floating landing pad in the Atlantic Ocean.
The year gone by brought us more robots, worries about artificial intelligence, and difficult lessons on space travel. The big question: where's it all taking us?
Discover everything you need to know about the private sector's race to space in just a few minutes with one colorful and informative infographic.
NASA's new countdown clock for space missions is a lot like a football stadium display and way more advanced than the old analog one it's replacing.