Space

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.


When fully operational in 2018, the Zwicky Transient Facility robotic camera will usher in the era of big data astronomy.

Stuff They Don't Want You To Know talks to investigative filmmaker Jeremy Corbell about his alien abduction documentaries.

The annual Leonid meteor shower is back, and peaks the in the early-morning hours of November 17 and 18. It's made up of tiny bits of debris from the comet Tempel-Tuttle.

Neither massive planets nor tiny stars, brown dwarfs are entirely different substellar curiosities that possess qualities of both.

What if natural selection is at work not only on our planet but on other habitable planets?

The very existence of this planetary heavyweight is puzzling astronomers.

Why not cylindrical? Or even cube-shaped?

Despite increased production, a potential shortage of plutonium-238 fuel could jeopardize NASA's distant missions.

When you think of NASA, you probably think of an all-around professional organization. And you're right. But, those astronauts like to have a lot of fun, too.

Things are getting a little more interesting out in Pluto's neighborhood.

Get ready for the most powerful electromagnetic explosion the universe has ever known.

Scientists are calling the collision they detected the "gift that will keep on giving."

Every autumn, Earth passes through a stream of debris left by Halley's Comet, resulting in nighttime meteor showers in mid-October.

Ripples in space-time traveled 1.8 billion light-years to wash through our planet on Aug. 14. And this time not two but three detectors picked them up.

It turns out that not all supermassive black holes are devouring matter at the same breakneck pace.

Now that Cassini has met its end by plunging into Saturn, it's time to reflect on what we've learned over the decades.

The groundbreaking Saturn mission has come to an end, protecting Saturn's moon in its final plunge.

In what's being called its 'grand finale,' the probe that's been orbiting Saturn for 13 years is taking its victory lap as it runs out of fuel.

Forty years and counting! Can Voyager 1 make it another 10?

Drop your keys and grab your skis. There's fresh Martian powder out there, as new NASA photos reveal in stunning detail.

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.