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.

Topics to Explore


Learn More / Page 6

Good News, Mars Colonists: Pure Water Ice You Can Dig Up With a Shovel

All those intrepid colonists are going to need a plentiful supply of water, and it turns out that accessing one may not be as hard as we thought.

Has the 'Twisted' Mystery of Fast Radio Bursts Been Solved?

The apparently random flashes in the sky known as FRBs have resisted being pinned down by astronomers. Until now.

What Did the Big Bang Sound Like?

It wasn't quite as loud as you might imagine.

What We Do — and Don't — Know About the Pentagon's Secret UFO Program

Does the U.S. government have proof there is life from other worlds visiting Earth?

Where the Most UFO Sightings Are

Are we so fixated on finding evidence of aliens that we can't see the forest for the trees?

Early Earth Pelted By Way More Debris Than Scientists Thought

When our planet was young, it took a beating from an unrelenting storm of planetesimals falling from the skies. Some of that debris meant more gold for the planet.

Most Distant Black Hole Discovered, But Why Is It Such a Monster?

The question is, how did it get to be so big so fast?

How Apollo 11's Crew Reacted to Lunar Conspiracy Theories

That's one small step for man ... one giant lie to mankind?

Why Galaxies Come in Different Shapes

How galaxies get their shapes and evolve is widely debated.

Robotic Camera Can Scan Entire Sky in Just Three Nights

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

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.