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
Satellites have found evidence of massive underground channels formed by molten rock on the moon. They could be stable enough to house lunar pioneers, a study suggests.
By Patrick J. Kiger Dec 27, 2016
Are all the aliens hanging out without us?
By Oisin Curran
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
It's a bird, it's a plane, it's supermoon! Aside from being bigger and brighter than a regular moon, does a supermoon affect anything on Earth?
By Patrick J. Kiger
Astronaut John Glenn, the oldest human to ever travel to space, has died at age 95. He had a lot of adventures, both on this planet and off, before he did though.
By Yves Jeffcoat Dec 8, 2016
NASA researchers say they may have made a breakthrough with electromagnetic drive propulsion, but other scientists have their doubts.
By Patrick J. Kiger Dec 5, 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
Saturn's largest moon Titan is the only other celestial body we know of that has liquid lakes on its surface. NASA has just captured some amazing footage of clouds.
By Christopher Hassiotis Nov 11, 2016
The rings of Saturn, Uranus and Neptune may be remnants of smaller planets destroyed long ago by the gas giants' powerful gravity.
By Patrick J. Kiger Nov 10, 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
How could Phobos withstand the impact that created such a large crater without simply shattering into pieces? A new mathematical investigation answers that question.
By Patrick J. Kiger Oct 19, 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
Cosmic radiation gave the fictional Fantastic Four superpowers, but in real life it could destroy an astronaut's mind, a new study shows. NASA's already on the defense.
By Patrick J. Kiger Oct 12, 2016
Asgardia's going to start small, as in one satellite small, but the proposed nation has big plans.
By Jonathan Strickland Oct 12, 2016
The historic spacecraft Rosetta ended its mission today of studying comet 67P. Along the way, it taught us a few things about how our solar system may have begun.
By Robert Lamb Sep 30, 2016
Imagine if we could get to Mars in 40 days instead of seven months! It could happen if we used plasma rockets, which travel at 34 miles per second. But how do we make this a reality?
By Meisa Salaita
Who says Mars is just for astronauts? Not Elon Musk. He wants to send you to the red planet for a few hundred grand in a spiffy carbon fiber spacecraft.
By Jonathan Strickland Sep 27, 2016
And suggestions of water elsewhere in the solar system are always pretty darn exciting.
By Jonathan Strickland Sep 26, 2016
The European Space Agency's Gaia satellite observatory has created a 3-D model of the Milky Way — and beyond! — that charts more than a billion stars.
By Patrick J. Kiger Sep 23, 2016
According to some predictions, the Tiangong-1 facility is out of the Chinese government’s control. Is a devastating re-entry in the station’s future?
By Jonathan Strickland Sep 22, 2016
NASA scientists say solar eruptions could have played a role in creating not only friendly environments, but also the building blocks of life itself.
By Patrick J. Kiger Sep 20, 2016
In the HI-SEAS project, scientists lived together in cramped isolation on Hawaii, simulating the kind of challenges that would bedevil interplanetary explorers
By Patrick J. Kiger Sep 2, 2016
It's been a busy week for SpaceX. On Tuesday, the company announced its first customer for its reusable rockets. On Thursday, a SpaceX rocket and its payload blew up.
By Jonathan Strickland Sep 2, 2016
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