2025 MN45 isn't the overall spin-rate record holder. Astronomers have found a number of small asteroids — those just a few ...

A test model of the Perseverance rover, designed to explore the surface of Mars, sits in a garage at NASA’s Jet Propulsion ...

How does a star affect the makeup of its planets? And what does this mean for the habitability of distant worlds? Carnegie's ...

Two separate research teams have observed a previously unseen microlensing event, confirming the existence of a particular ...

Jupiter.... Uranus.... Saturn... Earth? Sadly, Earth didn't make it onto the list of the Solar System's ringed planets. If it ...

With its huge rings of ice and dust, Saturn is one of the Solar System's most iconic planets. It's beautiful, really. But ...

Planetary alignments, a total lunar eclipse, and meteor showers are highlights to look for in the coming year.

Three supermoons will lighten up the night skies in 2026, the stunning result when a full moon inches closer to Earth than ...

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...

For decades, couples were told to value a certain kind of rarity. The jewelry designer Kindred Lubeck, with the help of her ...

From Earth, Saturn’s rings look like a razor – tens of thousands of kilometers wide yet only about 10 meters thick in the vertical direction. That knife-edge geometry is a big part of their drama. But ...

NASA’s Cassini space probe orbited Saturn for 13 years, when, with its mission complete, it entered a controlled descent, burning up in the ringed planet’s atmosphere. Before its fiery demise, however ...