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.
There's Never Been an Alien Civilization on Mars, Congressman
New NASA Images Reveal Snowy Martian Dunes
Imagining a Colonized Mars With Marshall Brain
Astronauts May Soon Be Breaking (and Baking) Bread in Space
What Epic Space Missions Like Cassini Teach Us About Ourselves
3-D Printing Your Own Tractor Beam Levitation Device
Now that Cassini has met its end by plunging into Saturn, it's time to reflect on what we've learned over the decades.
By Ian O'Neill Sep 21, 2017
The groundbreaking Saturn mission has come to an end, protecting Saturn's moon in its final plunge.
By Ian O'Neill Sep 15, 2017
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.
By Patrick J. Kiger Sep 7, 2017
Forty years and counting! Can Voyager 1 make it another 10?
By Ian O'Neill Sep 5, 2017
Drop your keys and grab your skis. There's fresh Martian powder out there, as new NASA photos reveal in stunning detail.
By Chris Opfer Aug 28, 2017
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.
By Patrick J. Kiger Aug 25, 2017
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.
By Ian O'Neill Aug 24, 2017
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.
By Sarah Gleim Aug 23, 2017
The first total solar eclipse to cross the United States in almost 100 years leaves the country mesmerized.
By Sarah Gleim Aug 22, 2017
A newly discovered exoplanet is hotter than most stars, and may be possibly disintegrating because of it.
By Laurie L. Dove Aug 21, 2017
Hints of Einstein's general relativity have been detected in a black hole "laboratory" smack in the center of the Milky Way.
By Ian O'Neill Aug 16, 2017
After all, it's not just the light that changes when the moon passes in front of the sun.
By Tracy Staedter Aug 7, 2017
And don't worry. Even if NASA misses, we'll be fine.
By Ian O'Neill Aug 3, 2017
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.
By Diana Brown Aug 1, 2017
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.
By Dave Roos Jul 27, 2017
All of a sudden that longed-for moon base doesn't seem quite so far-fetched.
By Ian O'Neill Jul 25, 2017
Check out this video of what astronauts in space see as the shadow of the moon crosses our planet.
By Christopher Hassiotis Jul 25, 2017
The red planet has been extremely inhospitable for a very, very long time. Why would a congressman think differently?
By Ian O'Neill Jul 19, 2017
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.
By Patrick J. Kiger Jul 17, 2017
We know our universe is massive, but how can we be sure we are actually alone in it?
By Diana Brown Jul 10, 2017
Everyone's favorite ice giant is weird in more ways than one.
By Jonathan Strickland Jun 28, 2017
Everybody wants to find aliens, even the hacktivist group Anonymous.
By Ian O'Neill Jun 27, 2017
Brown University researchers have found evidence that in its distant past, Mars experienced 500-mph cyclones that rolled sideways across the planet's surface.
By Patrick J. Kiger Jun 26, 2017
Get ready for a new branch in our galaxy's planetary family tree.
By Ian O'Neill Jun 22, 2017
Could humans really colonize Mars within the next 50 years? Elon Musk seems to think so.
By John Perritano Jun 21, 2017
Could Three Days in This Swedish Cabin Reduce Anxiety?
Extraordinary, Eccentric and Eerie: Our Best Stories You Might Have Missed This Week
Dotard, Slumgullion, and Other Gloriously Archaic Insults