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 eruption released energy six times greater than all Earth's power plants combined, exceeding 80,000 trillion watts.

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

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

Missed January's planetary parade? February 2025 offers another celestial spectacle. Discover when, where & how to catch ...

"The climate of this planet is extreme and nothing like that of Earth. The planet's dayside is so hot that elements typically thought of as 'metal' are vaporized into the atmosphere." ...

In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...

NASA is keeping a close eye on three vehicle-sized asteroids that will make close approaches to Earth today. The trio was ...

NASA is keeping a close watch on three asteroids making near-Earth approaches today. One of them, named 2025 CF, will pass within just 77,200 miles of our planet-roughly one-third ...

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

Two exciting new studies detail the life-supporting contents of a 4.3-ounce sample of the asteroid Bennu. The OSIRIS-REx ...