Just 40 light-years away lies one of the most remarkable planetary systems ever discovered: TRAPPIST-1, a small red dwarf ...

The stars may not align, but the planets will. Stargazers are in for a treat later this month when six planets form a line during a rare event scientists are dubbing a “planetary parade.” The ...

NASA’s Perseverance rover captures video of solar eclipse on Mars. The Mastcam-Z camera recorded video of Phobos, one of the ...

The best “planet parade” of the year puts Venus, Jupiter, and more on display right after sunset—and you can see most of them ...

Earth’s core has often been described as just a giant ball of iron and nickel. Now, a new study argues that it is also a major storage place for hydrogen, possibly equivalent to dozens of oceans’ ...

The discovery overturns traditional models that predicted gas giants in outer orbits and suggests planets can form in gas-poor environments.

Well, imagine walking into a mine in Ogdensburg, New Jersey, and forgetting you’re even on planet Earth anymore because the ...

Imagine you're all alone, driving along in a rocky, unforgiving desert with no roads, no map, no GPS, and no more than one phone call a day for someone to inform you exactly where you are. That's what ...

The Milky Way owes its iconic name not to modern astrophysics but to an Ancient Greek myth involving Zeus, Hera, and a splash of divine milk.