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.
Is the U.S. Government Hiding New Proof of Alien Life?
The Sun Has Siblings, and You Can Help Find Them
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Point Nemo: Where Spacecraft Go to Die
3-D Printing Your Own Tractor Beam Levitation Device
It's called NGC1052-DF2, an ultra-diffuse galaxy located 65 million light-years away, and it might mean that we don't quite know how all galaxies form after all.
By Ian O'Neill Mar 28, 2018
New Horizons takes photo from 3.79 billion miles (6.12 billion kilometers) away from Earth.
By Patrick J. Kiger Feb 22, 2018
The Kepler Space Telescope seeks out small habitable exoplanets that may share similar qualities to Earth.
By Ian O'Neill Feb 22, 2018
TRAPPIST-1 is a mini version of our solar system, and astronomers have started figuring out what life on those exoplanets might be like.
By Ian O'Neill Feb 12, 2018
Researchers threw the ingredients of the universe into a virtual box and let the known laws of physics bake a cosmic cake. The results are stunning.
By Ian O'Neill Feb 2, 2018
The question is, how did it get to be so big so fast?
By Ian O'Neill Dec 7, 2017
When fully operational in 2018, the Zwicky Transient Facility robotic camera will usher in the era of big data astronomy.
By Nathan Chandler Nov 21, 2017
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
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