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.
Is the U.S. Government Hiding New Proof of Alien Life?
Mars Moves Closest to Earth Since 2003
Why Did NASA Just Send a Load of Sperm Into Orbit?
10 Surprising Facts About Astronaut Training
Did the Apollo Missions Cause Warming on the Moon?
3-D Printing Your Own Tractor Beam Levitation Device
Mars Close Approach is July 31, 2018. That is the point in Mars' orbit when it is nearest to Earth.
By Laurie L. Dove Jul 10, 2018
The days are getting longer, but don't worry about changing your clocks.
By Chris Opfer Jul 3, 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
To define the location of objects in the sky, astronomers utilize a system of celestial coordinates, which extends latitude and longitude from Earth's surface into space.
By Patrick J. Kiger Jun 13, 2018
A tiny black hole or a more monstrous neutron star? Astronomers are on the case.
By Ian O'Neill Jun 5, 2018
Once upon a time, the sun caught an interstellar orphan and adopted it as its own. It's named 2015 BZ 509.
By Ian O'Neill May 23, 2018
Europa might be ready to let us in on a secret.
By Ian O'Neill May 17, 2018
Some scientists think the existence of plate tectonics could be a prerequisite for life. So do they exist on other planets outside of Earth?
By Mark Mancini May 9, 2018
NASA astronauts have to undergo serious training before becoming approved for a trip to space. But some of that training is certainly not what you'd expect.
By Mark Mancini
Astronauts will be testing human and bull sperm to see how microgravity might affect future human reproduction in space.
By Patrick J. Kiger Apr 25, 2018
Astronomers have just discovered a gas in Uranus' clouds that does nothing to help the planet being taken seriously.
By Ian O'Neill Apr 24, 2018
It's been a while since the sun has hung out with its brothers and sisters in the same stellar nursery, but they're definitely out there, and citizen scientists can help find them.
By Ian O'Neill Apr 23, 2018
No one knew exactly what the deal was with ureilites, a rare type of meteorite, until now.
By Ian O'Neill Apr 20, 2018
There's a lot of junk orbiting in outer space. But what happens to those abandoned rockets and mission-related garbage when it goes to its final resting place?
By Mark Mancini Apr 19, 2018
Take that, stars!
By Ian O'Neill Apr 12, 2018
The little flies have way more in common with us than you think. And it made them the perfect test animal to send to space.
By Mark Mancini Apr 5, 2018
Yep, 'Oumuamua was probably kicked out of its own star system by an overbearing gas giant like Jupiter.
By Ian O'Neill Mar 30, 2018
Everyone's heard of the blue moon and the harvest moon, but did you know every single moon of the year has a name? Who named them and what do the names mean?
By Nathan Chandler Mar 30, 2018
The SpaceX mission to the International Space Station, scheduled for liftoff on April 2, will enable research on everything from thunderstorms to wound healing.
By Patrick J. Kiger Mar 29, 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
Scholz's star buzzed our solar system back when humans and Neanderthals roamed the planet. Turns out that encounter may have shaken up a whole bunch of comets.
By Ian O'Neill Mar 23, 2018
Beneath Jupiter's famous swirls and stripes is an environment that's completely unlike anything on Earth.
By Ian O'Neill Mar 9, 2018
Plus, a bonus finding on dark matter!
By Ian O'Neill Mar 6, 2018
The government's secret Advanced Aviation Threat Identification Program has spent millions researching UFOs and alien life. Are they covering up their findings?
By Diana Brown Mar 2, 2018
In 2019, the moon will be getting its own 4G network. That could be better service than some of us have here on Earth.
By Nathan Chandler Feb 28, 2018
5 New UNESCO World Heritage Sites That Exemplify the List
Recycled Plastic Waste Creates Roads
How Do You Survive Getting Lost in a Cave?