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?
Pluto: Is It a Planet After All?
Russia Sending Humanoid FEDOR Robot into Space
How NASA Works
Can We Get Into Space Without Big Rockets?
Anders' Earthrise and 8 Homeward are the two moon craters recently named in honor of the 1968 Apollo 8 mission, the first NASA mission to orbit the moon.
By Patrick J. Kiger Oct 11, 2018
Maybe there aren't more dimensions beyond the four that we know and love so well.
By Ian O'Neill Sep 19, 2018
Fast radio bursts are over in less time than it takes to blink your eye. They come from way beyond the Milky Way. And astronomers can't say with certainty what causes these enigmatic bursts.
By Patrick J. Kiger Aug 14, 2018
The tiny HaloSat probe will investigate a galactic halo of hot gas that may account for missing matter from the early universe.
By Patrick J. Kiger Aug 13, 2018
NASA is launching its new Parker Solar Probe and it will get closer to the sun than any other spacecraft in history. But could we actually touch the sun some day?
By Mark Mancini Aug 9, 2018
The last satellite — Kepler — discovered more than 2,300 confirmed planets. This one is expected to find even more.
By Mark Mancini Aug 2, 2018
It's never too early to start planning!
By Robert Lamb Jul 18, 2018
Scientists have used long-lost data tapes to show that Apollo astronauts probably caused the lunar surface to warm slightly during moon missions in the 1970s.
By Patrick J. Kiger Jun 26, 2018
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
People Are Dying for the Perfect Selfie
Who Built These Mysterious Concrete Arrows?