Today is Thursday, Feb. 19, the 50th day of 2026 with 315 to follow. The moon is waxing. Morning stars are Jupiter, Mercury ...

Imagine an object so colossal that, if it occupied the place of our Sun, its surface would extend beyond the orbit of Saturn. Imagine a star that challenges not only the known physical limits, but ...

A new study hints that Saturn's largest moon, Titan, was created around 400 million years ago, when two massive moons smashed into each other. This hypothesis could also help to solve several other ...

Look out for "Earthshine" brightening the shadowed region of the lunar disk close to the new moon phase.

Under this new model, Titan itself is the result of a collision between two earlier moons: a large body called “Proto-Titan,” nearly as massive as modern Titan, and a smaller companion dubbed ...

"Uranus's magnetosphere is one of the strangest in the solar system," Paola Tiranti, a researcher at Northumbria University in the U.K., said in a statement. "It's tilted and offset from the planet's ...