NASA's scientists are thrilled by the prospect of getting back to the moon, where they hope to solve a host of mysteries about Earth, our closest companion and the rest of the solar system.
NASA astronaut Jessica Meir pauses to take a selfie during her historic first all-woman spacewalk together with Christina Koch on Oct. 18.
The efforts of the burrowing heat probe aboard NASA's InSight lander have shown that Red Planet dirt is unlike the stuff we're used to here on Earth.
The China Lunar Exploration Program has released a photo from the Yutu 2 moon rover that reveals the likely nature of a previously unidentified material.
If you'd looked up into the sky in Kyoto, Japan, on April 28, 2017, you may have seen a preview of an event that could, far down the road, threaten the whole Earth.
NASA's current planetary-protection policies reflect a bygone era of space exploration and need to be updated, a new report argues.
If you've ever thought about what it might be like to visit a black hole, NASA has shared a video and a few postcards that may have you reconsidering.
It's been a great, enormous storm for more than a 100 years. But will Jupiter's Great Red Spot last much longer?
Another long-lived NASA mission has come to an end, this one after more than seven years of dancing through the perilous belts of radiation around Earth.
Giant alien worlds with searing, close orbits to their host stars can inflate like balloons. Now astronomers have discovered one so puffy that it is one of the least dense planets ever discovered.
Our home galaxy stole several dwarf galaxies that used to belong to the Large Magellanic Cloud (LMC), a galaxy near the Milky Way.
By analyzing the disintegrated remains of distant worlds consumed by their stars, a new study found that at least some rocky exoplanets may have interiors similar to those of Earth and Mars.
A nonprofit called The Earth Archive wants to make a 3D map of the entire planet, before the climate crisis changes Earth's face forever.
Here's the reality: We're messing up the Earth and any far-out ideas of colonizing another orb when we're done with our own are wishful thinking.
Big, schmancy compounds keep popping up all over the solar system, and new research may help clear up confusion about how they form in so many places.
New photos give us the best-ever look at NASA's InSight lander on the surface of Mars and show the circuitous route the Curiosity rover is taking up a big Red Planet mountain.
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