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

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

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

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" ...

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

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

The NASA boffins in white coats and thick-rimmed glasses have detected new signals that show the Oort cloud - the spooky ...

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

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

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.

The planet parade that began in January will come to an end by mid-to-late February, as Saturn sinks increasingly lower in the sky each night after sunset, according to NASA.