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.

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Is There Finally Proof of Alien Implants in Human Bodies?

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

This Brown Dwarf Isn't a 'Failed Star' — It's a Magnetic Powerhouse

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

Aliens Might Look and Think Like Us, Courtesy of Natural Selection

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

Monstrous Alien World Orbits Puny Red Dwarf Star

The very existence of this planetary heavyweight is puzzling astronomers.

Plutonium Shortage Could Cripple NASA's Deep Space Exploration

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

Ridiculous History: 5 of NASA's Greatest Pranks

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.

Haumea, a Dwarf Planet in the Kuiper Belt, Has Its Own Ring

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

Kilonovas Are Some of the Biggest, Baddest Stellar Blasts in Space

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

Gravitational Wave Detectors Discover Colliding Neutron Stars – and Uncover a Scientific Goldmine

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

Gravitational Waves Detected Again, But This Is the Best Yet

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.

Drop the Doughnut: True Nature of Ravenous Supermassive Black Holes Revealed

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

What Epic Space Missions Like Cassini Teach Us About Ourselves

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

Why Cassini Crashed: Protecting Icy Moon Enceladus at All Costs

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

Cassini Spacecraft Will End Its Mission by Crashing Into Saturn

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 Later, Voyager 1 Is an Interstellar Trailblazer

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

New NASA Images Reveal Snowy Martian Dunes

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

Massive Asteroid Passing Near Earth in September, But Don't Freak Out

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.

Astronaut Pee and Yeast Could Revolutionize Our Future in Space

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.

Don't Toss Your Eclipse Glasses — Give Them a Second Life Instead

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.

Spectacular Solar Eclipse Leaves U.S. in Awe

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

Hottest Gas Giant Ever Discovered May Be Evaporating to Death

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

Deep in the Heart of Our Galaxy, Einstein Proved Right Again

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

An App for Visually Impaired People to Experience the Total Solar Eclipse

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