Space
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.
Neither massive planets nor tiny stars, brown dwarfs are entirely different substellar curiosities that possess qualities of both.
What if natural selection is at work not only on our planet but on other habitable planets?
The very existence of this planetary heavyweight is puzzling astronomers.
Why not cylindrical? Or even cube-shaped?
Despite increased production, a potential shortage of plutonium-238 fuel could jeopardize NASA's distant missions.
When you think of NASA, you probably think of an all-around professional organization. And you're right. But, those astronauts like to have a lot of fun, too.
Things are getting a little more interesting out in Pluto's neighborhood.
Get ready for the most powerful electromagnetic explosion the universe has ever known.
Gravitational Wave Detectors Discover Colliding Neutron Stars – and Uncover a Scientific Goldmine
Scientists are calling the collision they detected the "gift that will keep on giving."
Every autumn, Earth passes through a stream of debris left by Halley's Comet, resulting in nighttime meteor showers in mid-October.
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.
Drop the Doughnut: True Nature of Ravenous Supermassive Black Holes Revealed
It turns out that not all supermassive black holes are devouring matter at the same breakneck pace.
Now that Cassini has met its end by plunging into Saturn, it's time to reflect on what we've learned over the decades.
The groundbreaking Saturn mission has come to an end, protecting Saturn's moon in its final plunge.
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.
Forty years and counting! Can Voyager 1 make it another 10?
Drop your keys and grab your skis. There's fresh Martian powder out there, as new NASA photos reveal in stunning detail.
On Friday, Sept. 1, a large asteroid named Florence will zip by at a distance of about 4.4 million miles (7 million kilometers) — a tiny distance relative to the entirety of the universe.
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.
You probably have several pairs of eclipse glasses left over from the big total solar eclipse. Don't trash them — recycle, reuse or donate them instead.
The first total solar eclipse to cross the United States in almost 100 years leaves the country mesmerized.
A newly discovered exoplanet is hotter than most stars, and may be possibly disintegrating because of it.
Hints of Einstein's general relativity have been detected in a black hole "laboratory" smack in the center of the Milky Way.
An App for Visually Impaired People to Experience the Total Solar Eclipse
After all, it's not just the light that changes when the moon passes in front of the sun.
And don't worry. Even if NASA misses, we'll be fine.
