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.
Aliens Might Look and Think Like Us, Courtesy of Natural Selection
The Monster Star That Refuses to Die: Could Antimatter Be Fueling Its Supernovas?
Imagining a Colonized Mars With Marshall Brain
Ridiculous History: 5 of NASA's Greatest Pranks
3-D Printing Your Own Tractor Beam Levitation Device
And it's just a galactic hop, skip and a jump away.
By Ian O'Neill Nov 15, 2017
The very existence of this planetary heavyweight is puzzling astronomers.
By Ian O'Neill Nov 1, 2017
Despite increased production, a potential shortage of plutonium-238 fuel could jeopardize NASA's distant missions.
By Patrick J. Kiger Oct 24, 2017
Scientists are calling the collision they detected the "gift that will keep on giving."
By Ian O'Neill Oct 16, 2017
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.
By Ian O'Neill Sep 28, 2017
It turns out that not all supermassive black holes are devouring matter at the same breakneck pace.
By Ian O'Neill Sep 27, 2017
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
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