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

Why are there dozens of dead animals floating in space?

Neil Armstrong may have been the first man on the moon, but he wouldn't have gotten there without fruit flies, rhesus monkeys or a dog.

Goodbye to a Beloved Astronaut

Astronaut John Glenn has passed away at the age of 95. Learn more about the multitalented man who was at home on Earth and in space. See more »

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

NASA reaches a milestone with a peer-reviewed EmDrive paper. Learn more about the electromagnetic drive in this HowStuffWorks Now article. See more »

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

Astronaut Tim Peake just became the second person to ever complete a marathon from space. Learn more about Peake's speedy feat at HowStuffWorks Now. See more »

Welcome Home Astronaut Kelly and Cosmonaut Kornienko!

U.S. astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko are returning from the ISS today. Learn more at HowStuffWorks Now. See more »

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

A new breakthrough technology could allow punctured spacesuits to automatically repair themselves. Learn more in this HowStuffWorks Now article. See more »

Reusable Rockets Are Here. Thanks, Blue Origin

Blue Origin just demonstrated a system that could lead to reusable rockets. Learn why this is such good news for space travel at HowStuffWorks Now. See more »

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

The astronaut class of 2013 had more than 6,000 applicants, and just eight were selected. Do you have the right stuff? Find out at HowStuffWorks Now. See more »

A Brief History of Booze in Space

Sure, alcohol has gone to space. Learn more about the history and future of booze in space at HowStuffWorks Now. See more »

Is there such a thing as space sickness?

Many people are victims of motion sickness, but would you have the same problems in space? Learn if space sickness is a real thing at HowStuffWorks. See more »

Can you sneeze in space?

Have you ever wondered if you could sneeze in space? And if you could sneeze in space, what would happen? Find out at See more »