Space exploration is a broad topic covering many facets of deep-space and planetary science. Learn about space probes, Mars Rovers, SETI and other out-of-this-world subjects.
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
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
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
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
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
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.
By Jesslyn Shields Jun 14, 2017
Thanks to gravitational wave observatories, we're entering a new era of astronomy, one in which the dark universe will finally be revealed.
By Ian O'Neill Jun 1, 2017
Researchers used laser-plasma-based accelerators to simulate the sort of radiation that astronauts and spacecraft might encounter in outer space.
By Patrick J. Kiger May 12, 2017
And that actually might pose a problem when it comes to the search for life on other planets.
By Ian O'Neill May 9, 2017
If we're going to colonize Mars, we're going to need to figure out how to live off the land. Martian soil might be strangely suited for that task.
By Ian O'Neill Apr 28, 2017
Plus, we throw in one reason to get excited anyway.
By Ian O'Neill Apr 12, 2017
The "virtual telescope" is first getting up close and personal with Sagittarius A*, the supermassive black hole at the center of our galaxy.
By Ian O'Neill Apr 7, 2017
European scientists are inviting gamers to become citizen scientists, sifting through real astronomical data to spot undiscovered planets orbiting other stars.
By Patrick J. Kiger Mar 1, 2017
After the Soviet Union launched Sputnik I in 1957, the space race was on. And what followed was decades of secrecy that dominated its space program.
By Clint Pumphrey
The first results are in from two groundbreaking NASA studies. What they show could have huge impacts on the future mission to Mars.
By Alia Hoyt Feb 13, 2017
Hawking is working with NASA and a few high rollers to send a tiny, unmanned spacecraft to our closest star system.
By Jonathan Strickland Dec 13, 2016
The space agency is looking for your help in figuring out how to get rid of astronauts' bodily waste. And there's $30,000 in it for you if your idea wins.
By Kate Kershner Dec 1, 2016
Outer planets in our solar system have atmospheres made up of flammable chemicals that can cause explosions on Earth. Could a rocketship, or electric spark, ignite them?
By Patrick J. Kiger Nov 16, 2016
Earth's next-door neighbor has a lot of weird geological formations, like spiders, to map, but only so many scientists who can do it. That's where you come in.
By Kate Kershner Oct 27, 2016
Elton's always maintained that Mars ain't the kind of place to raise your kids. Is he right?
By Julia Layton Oct 17, 2016
Ten million years after the dinosaurs, a comet strike altered the climate, research shows, causing the PETM extinction event. We're affecting Earth in similar ways today.
By Jesslyn Shields Oct 13, 2016
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