Here's everything you need to know about why Saturn's rings are about to disappear — and when they will return.

The view was acquired on Sept. 14, 2017 at 19:59 UTC (spacecraft event time). The view was taken in visible light using the ...

The document builds on the academies' decadal survey, outlining recommended missions for NASA's next New Frontiers program.

New Hubble Space Telescope imagery of the Saturn show it's 'ring spokes' in orbit around the gas giant planet. Credit: ...

An image authentically shows Saturn photographed from NASA's Cassini spacecraft during its final mission in 2017. Rating: ...

NASA launched its new Saturn IB rocket on its first test flight. Also known as the Uprated Saturn I, the Saturn IB was built ...

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in ...

As Trump returns to the White House, however, most of those accomplishments are at risk. The budget overruns that hobble NASA ...

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

After Friday's spectacle, a "planet parade" of this size won't appear in the night sky for several years, experts say.

Mercury has a rocky surface when, facing the sun, can reach highs of 800 degrees while overnight lows could reach minus 290 ...