Spaceflight covers topics related to human presence in outer space. Learn about weightlessness, astronauts and space tourism in this section.

How does going to the bathroom in space work?

When nature calls, you have to listen. But when you're in microgravity, going to the bathroom can be a major challenge. How do astronauts get the job done?

Astronauts May Soon Be Breaking (and Baking) Bread in Space

The company behind this, Bake in Space, says "the smell of fresh bread evokes memories of general happiness." We agree.

NASA Launch Could Be Colorful Light Show for Viewers

NASA plans a fourth launch of sounding rocket that could give residents on the East Coast of the United States quite a colorful light show.

Goodbye to a Beloved Astronaut

Astronaut John Glenn, the oldest human to ever travel to space, has died at age 95. He had a lot of adventures, both on this planet and off, before he did though.

Futuristic EM Drive Could Work — If It Can Defy the Laws of Physics

NASA researchers say they may have made a breakthrough with electromagnetic drive propulsion, but other scientists have their doubts.

Tim Peake Ran a 3:35:21 Marathon — From Space

The British-born astronaut also landed himself a Guinness World Record for the fastest marathon in space while he was at it.

Welcome Home Astronaut Kelly and Cosmonaut Kornienko!

After 340 days on the ISS, U.S. astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko are coming home. What was the point of all that time in microgravity?

Spacesuit Punctured? No Problem. NASA's Working on Self-Repairing Suits

Whether caused by debris, dust or tiny asteroids, holes in spacesuits present life-threatening challenges to astronauts. This new technology could provide the solution.

Reusable Rockets Are Here. Thanks, Blue Origin

Getting to space wouldn't be quite as expensive if we could just make rockets reusable instead of single-use. And Blue Origin just did.

So You Want to Be an Astronaut? This NASA Newbie Has Some Tips

We talked to one of the eight members of NASA's 21st astronaut class to get some inside scoop.

A Brief History of Booze in Space

So many things are different in space, including the taste of whisky.