Search Results | outer space

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Are Pentagon-confirmed UFOs a National Security Threat?

science.howstuffworks.com/space/aliens-ufos/ufos-news.htm

Recently, there's been a spike in UFO sightings - officially UAP, or Unidentified Aerial Phenomena - all over the world and nobody seems to know why or what the objects we're seeing might be.

Could Our Spacecraft Accidentally Ignite an Alien World's Entire Atmosphere?

science.howstuffworks.com/rockets-accidentally-ignite-alien-world-atmosphere.htm

Outer planets in our solar system have atmospheres made up of flammable chemicals that can cause explosions on Earth. Could a rocketship, or electric spark, ignite them?

What is a gimbal -- and what does it have to do with NASA?

science.howstuffworks.com/gimbal.htm

What is a gimbal -- and what does it have to do with NASA? Gimbals help ships and space ships stay correctly oriented. Find out what is a gimbal.

10 Surprising Facts About Astronaut Training

science.howstuffworks.com/10-surprising-facts-about-astronaut-training.htm

NASA astronauts have to undergo serious training before becoming approved for a trip to space. But some of that training is certainly not what you'd expect.

The Orionid Meteor Shower Is Back — Here's What You Need to Know

science.howstuffworks.com/orionid-meteor-shower-when-how-to-see-peak.htm

Every autumn, Earth passes through a stream of debris left by Halley's comet, resulting in some beautiful nighttime meteor showers called the Orionids.

How Astronauts Work

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Astronauts are adventurers and scientists who work in space. Learn who astronauts are and what they do in space and on Earth.

When will life on Earth end?

science.howstuffworks.com/life/evolution/life-on-earth-end.htm

Imagine a time in Earth's far-flung past when organisms didn't swim through the oceans or populate the lands. Even the mighty dinosaurs hadn't arisen. Will the planet ever return to that lifeless state?

What conditions are required for life?

science.howstuffworks.com/environmental/earth/geophysics/conditions-required-life.htm

We argue that living well requires wine and cheese, but what does living at all require? You might be surprised to find out that there's no single definition.

How Elon Musk Works

science.howstuffworks.com/elon-musk.htm

Internet king turned rocketman? After making his fortune on the Web, Elon Musk entered the commercial space race. Will this businessman and his SpaceX company make space tourism affordable?

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