Explore the vast reaches of space and mankind’s continuing efforts to conquer the stars, including theories such as the Big Bang, the International Space Station, plus what the future holds for space travel and exploration.

On Friday, Sept. 1, a large asteroid named Florence will zip by at a distance of about 4.4 million miles (7 million kilometers) — a tiny distance relative to the entirety of the universe.

When you're packing for space, you have to think about how every single item onboard can be reused repeatedly. And that includes your pee.

You probably have several pairs of eclipse glasses left over from the big total solar eclipse. Don't trash them — recycle, reuse or donate them instead.

The first total solar eclipse to cross the United States in almost 100 years leaves the country mesmerized.

A newly discovered exoplanet is hotter than most stars, and may be possibly disintegrating because of it.

Hints of Einstein's general relativity have been detected in a black hole "laboratory" smack in the center of the Milky Way.

After all, it's not just the light that changes when the moon passes in front of the sun.

And don't worry. Even if NASA misses, we'll be fine.

Can you imagine living on Mars? It's hard for some, but HowStuffWorks founder Marshall Brain has a new book that discusses the idea in depth.

Small towns in Idaho, Nebraska and Illinois are trying to figure out how to handle an unknown number of eclipse-trippers. Estimates range from 40,000 to 80,000 visitors.

All of a sudden that longed-for moon base doesn't seem quite so far-fetched.

Check out this video of what astronauts in space see as the shadow of the moon crosses our planet.

The red planet has been extremely inhospitable for a very, very long time. Why would a congressman think differently?

The total solar eclipse will be visible across North America on Aug. 21. Here's some information on how to view it safely, and what scientists may learn from it.

We know our universe is massive, but how can we be sure we are actually alone in it?

Everyone's favorite ice giant is weird in more ways than one.

Everybody wants to find aliens, even the hacktivist group Anonymous.

Brown University researchers have found evidence that in its distant past, Mars experienced 500-mph cyclones that rolled sideways across the planet's surface.

Get ready for a new branch in our galaxy's planetary family tree.

Could humans really colonize Mars within the next 50 years? Elon Musk seems to think so.

Astronomers have discovered a life-giving chemical in a star system located 400 light-years away. Now we just have to wait and see what arises from the cosmic mix.

NASA's newest astronauts-in-training will have to learn how to fly a jet and speak Russian. It's going to be a long two years.

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

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.

New Jupiter information gathered by NASA's Juno space probe is in, and it reveals that the solar system's biggest world has surprising features that may alter our concept of how gas giants work.