Astronomers discovered a 'minimoon' that's been orbiting Earth for about three years, and may soon leave our planet's orbit.
A new virus called SARS-CoV-2 is a coronavirus that has caused an outbreak of a disease called COVID-19. But what does that have to do with Mars?
Following the tragic death of 'Mad' Mike Hughes, we revisit the real reasons why he launched himself into the air aboard his homemade steam rocket, knowing how risky the stunt was.
The bubbling, raucous quantum vacuum distorts the shape of every hydrogen atom in the universe, and it distorts antimatter "antihydrogen" too.
String theory is a purported theory of everything that physicists hope will one day explain … everything.
The 12 constellations of the Zodiac contain some of the weirdest, most wonderful objects in the universe. Here are our favorites.
If a giant object looks like it's going to slam into Earth, humanity has a few options. A new guide could help NASA decide which one is best.
New images reveal that one of the strangest asteroids in the solar system is also the most covered in craters, after billions of years plowing through the asteroid belt like a runaway train.
Iran launched a communications satellite called Zafar 1 atop a Simorgh rocket at 10:45 a.m. EST Sunday (Feb. 9). But the spacecraft didn't make it all the way to orbit.
Life on Earth likely began with the bubble-like membranes that surround our cells. Similar membranes probably wouldn't form on Titan, according to quantum mechanics.
A U.S. satellite that's used to spy on other countries is being trailed by two Russian satellites, according to the commander of the U.S. Space Force.
For the first time, astrophysicists have detected a pattern in fast radio bursts, one of the most mysterious phenomena in the universe.
Pluto's heart-shaped feature, which NASA's New Horizons spacecraft discovered during its epic July 2015 flyby of Pluto, drives atmospheric circulation on the dwarf planet, a new study suggests.
As Rosetta's comet got near enough to the sun for frost to evaporate off its surface, a color-changing water and dust cycle began that shuffled its colors around.
It was a big moment for our cosmos when the first stars awoke, but it's an elusive one for scientists.