NASA’s Cassini spacecraft, which orbited Saturn from 2004 to 2017, took many dramatic images of the rings’ shadows on Saturn.

Saturn’s rings are an arresting sight even through modest telescopes. The planet is made mostly of hydrogen and helium whereas the rings are billions of pieces of mostly bright-white water ice and ...

Interplanetary contamination risks from space missions and strategies to mitigate them, including the importance of ...

What can a moon’s tidal friction teach us about its formation and evolution? This is what a recent study published in Science ...

In his inauguration speech in January, United States President Donald Trump declared the US would "plant the stars and ...

More than 1 million "interstellar objects" the size of the Statue of Liberty could be drifting unseen in the outer solar ...

The biggest stories of the day delivered to your inbox.

"Our Sun (Sol) is marked by a black hexagon, and its orbital path is indicated by a grey solid line (top row only). Alpha Centauri's location and path are shown by a yellow star and a solid blue line ...

In 1962, after the explosion of a rocket that was designed to compete with Soviet advances, NASA scientists and engineers worked fast.

You are encouraged to visit the ESA website: http://www.esa.int ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

The universe's unexplained phenomena, such as mysterious signals and invisible matter, challenge scientists to uncover deep ...