Some landslides on Mars seem to defy an important law of physics.
A SpaceX Falcon 9 rocket booster makes a triumphant return to Port Canaveral, Florida on Dec. 7, 2019, two days after launching a Dragon cargo ship for NASA on the CRS-19 mission.
For the first time, a Polish group has identified two nearby stars that seem to have plucked up their icy partners, swinging them into orbits around our sun.
Scientists have spotted an incredibly weird, 'impossible' white dwarf star in a discovery that suggests these objects are even more common than suspected.
Champagne is supposed to be bubbly. So is a foaming bath. But a mixture designed to mimic the frigid lakes on an alien moon? That's a little more surprising.
China's giant, alien-hunting radio telescope is finishing its testing-and-commissioning phase, which has occurred over the past three years.
Lunar eclipses occur when Earth's shadow blocks the sun. There are three types; the most dramatic is a total lunar eclipse. Find out when is the next one.
Scientists are on the verge of being able to detect the "memory" left behind by gravitational waves.
Long ago, millions of years before the first star sparked to life, the entire universe was a sea of darkness.
The first results to come down from NASA's record-setting Parker Solar Probe have impressed the pioneering astrophysicist who lent the spacecraft his name.
Nineteen newly discovered dwarf galaxies seem to be missing their dark matter, and physicists aren't sure why.
Maybe you'd like to deride this seal's fashion choices. Here's why you shouldn't: While this isn't the most ornate fascinator ever to grace a photo shoot, it sparkles with science.
For the first time, astronomers have gotten an up-close view of eruptions from an asteroid, shedding light on what might drive such explosions.
Scientists have caught their best-ever look at a comet belching out ice, dust and gas — and the observations came courtesy of a mission designed to hunt for alien worlds.
The first science results are in from NASA's Parker Solar Probe, which has flown faster and closer to the sun than any other human-made object in history.
For the first time ever, astronomers have spotted evidence of a planet circling a superdense stellar corpse known as a white dwarf, a new study reports.
SpaceX is about to launch beer, "mighty mice" and much, much more to the International Space Station.
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