Space

We're celebrating the 50th anniversary of Apollo 11's historic journey to the moon.

It's been more than 50 years since humans first landed on the moon. Pull up a lunar module and let's see how much you know about Neil Armstrong, Buzz Aldrin, Michael Collins and the adventure that immortalized them.

By Mark Mancini

Why do planets in the solar system all seem to be round? Why not cylindrical? Or even cube-shaped?

By Mark Mancini

So what does that mean for good ol' Earth someday?

By Ian O'Neill, Ph.D.

In the darkness of space, we're comforted by our moon, the circular inspirer of song lyrics, poetry, and wannabe astronauts. But what do you really know about the moon and its history? Take this quiz to find out.

By Nathan Chandler

Those stars twinkling in the nighttime sky may actually be crystal spheres. And our beloved star is headed in that direction, too. Eventually.

By Ian O'Neill, Ph.D.

If you think about it, it'll likely be an alien machine that encounters our probes searching for intelligent life. How's that going to work?

By Greg Fish

A massive planet 10 times the size of Earth seems to have been lurking on the edge of our solar system for some time now. How come we never noticed it before?

By Patrick J. Kiger

If you asked, most science fiction fans could probably name their favorite spaceships from television or cinema. Whether it's the USS Enterprise or an Imperial Star Destroyer, they're all pretty equal on the imaginative scale. However, when it comes to sheer speed, there are some fictional spaceships that are clearly faster than others. The Milano [...] The post The Fastest Fictional Spaceships appeared first on Goliath.

By Wes Walcott

He was responsible for some of humanity's greatest achievements, and his name now graces a massive NASA project. But how did a law degree lead to being a space pioneer?

By Nathan Chandler

Fling away your Fodor's! Toss your TripAdvisor! We have the only guided tour of outer space you'll need -- a foray into the final frontier so ambitious it will make the Voyager probes' Grand Tours look like daytrips.

By Nicholas Gerbis

In the future, as we send space probes and manned missions to explore the solar system and possibly colonize other worlds, there's a major problem that we'll have to overcome -- keeping in touch with them.

By Patrick J. Kiger

Killer asteroids are all fun and games -- until they're headed for Earth. How do we stop cosmic hot potatoes from wiping out our planet?

By William Harris

It's not a pleasant thought, is it? But when you mix chaos theory with a few crazy cosmologists, those tidy, predictable orbits start getting lively.

By William Harris

In honor of Douglas Adams and galactic hitchhikers everywhere, we submit this list of 10 spacecraft that we hopelessly pine for. Mindboggingly beautiful!

By Robert Lamb

Sunspots are peculiar dark areas that show up regularly on the surface of the sun -- and often for no reason. What causes them? What effect could these funny little spots have on the Earth?

By Patrick J. Kiger

Human beings have only gone as far as the moon and back -- and that's certainly an accomplishment in and of itself. But what other methods do scientists use to learn about our galaxy and beyond? What have we achieved so far in our exploration of the final frontier?

By Rick Mayda

Driving on Earth is tough enough. What happens when you throw in craters, unexpected solar events and backseat driving from your fellow astronauts while you bump over the moon?

By Craig Freudenrich, Ph.D.

When there are 16 sunsets every day, getting some shut-eye becomes a bit of an issue. Do astronauts get through it with some warm milk as they float?

By John Fuller & Maria Trimarchi

In the 1960s, space food was either cubed or tubed, and it wasn't very appetizing. Today's astronauts have a more palatable array from which to choose. Where is it developed?

By Maria Trimarchi

As every fledgling and seasoned astronomer knows, groups of stars that form some sort of arrangement are known as constellations. Peer at some of the most famous constellations that humans use to navigate, divine the future and tell stories.

The science of rocketry is extremely complex and, at times, dangerous. This collection of images highlights the tech that gets all that science off the ground.

By HowStuffWorks.com Contributors

Radio telescopes can give us some impressive insights into the universe. This collection of pictures highlights some of the images these telescopes have captured.

By Rick Mayda

Researchers are using the moon's gravitational pull on bodies of water to test underwater turbine electricity production. It's considered clean power, but is it completely safe?

By Josh Clark

Some people don't believe a man walked on the moon. Others still think the Earth is flat. Are the Illuminati preparing the Earth to become an alien colony?

By Jonathan Strickland