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 ...

NASA’s Dragonfly rotorcraft lander is designed for flight on Saturn's moon Titan. See a "half-scale Dragonfly lander model" ...

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

Ahead of its dance with Saturn on Feb. 24, Mercury should be seen on Feb. 19 at magnitude -1.2 with binoculars 20 minutes ...

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

Five planets are visible to the naked eye, according to NASA: Mercury, Venus, Mars, Jupiter and Saturn. Mars will appear reddish and high in the sky, near the Gemini constellation, Star Walk said.

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

For much of the week, six of the planets may be visible, according to NASA. On Friday, however, Mercury will join the planetary parade of Venus, Mars, Jupiter, Saturn, Uranus and Neptune.

"From developing small robots that could swim through the oceans of other worlds to growing space habitats from fungi, this ...