Scientists discovered WASP-121b, an exoplanet where metals rain from the sky. Located 858 light-years away, this 'ultra-hot ...

What is space weather, what causes it, and how does it affect humans? Physicist Robyn Millan, who co-chaired a recent National Academies decadal report on solar and space physics, answered questions ...

They were dug out by debris sent violently aloft when an asteroid or comet struck the lunar surface 3.8 billion years ago.

The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

NASA’s Juno spacecraft has uncovered an immense volcanic hot spot on Jupiter’s moon Io, surpassing any previously recorded ...

WASP-121b is like nothing in the solar system, raining liquid metal and being puffy like a marshmallow. The origins of these ...

Powered by laser light, this tiny sail lays the groundwork for future advances in lightsail technology and the potential for ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body ...

The risk of impact is likely to drop to zero as observations of Asteroid 2024 YR4 continue.