Twenty years ago, the Huygens probe achieved humanity's first landing on a moon in the outer solar system when it touched ...

James Webb Space Telescope and the W.M. Keck Observatory captured new images of Saturn's moon Titan. Credit: NASA/STScI/W. M.

A famous illustration of Saturn's moon Titan got it all wrong. Never mind -- what we imagine space to be, and what we know it ...

NASA’s Cassini mission provided the world with unparalleled views of Saturn and its rings. After 13 years, its final images ...

A rare parade of planets will light up the night sky throughout January. Six planets will be in alignment for the rest of the ...

The best viewing for January's planetary parade is about 90 minutes after sunset, in as dark and clear a spot as you can find. Use binoculars or a telescope for an even better look. The alignment will ...

The data used to create the image is from a Hubble Space Telescope project to capture and map Jupiter's superstorm system.

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...

Twelve NASA astronauts walked on the moon between ... Immediately after the Voyager returned its first images of Saturn's strange feature, even stranger theories arose to explain it, including ...

There are six planets in the night sky all week, four of them visible to the naked eye and two of them getting very close indeed. Here's how to watch.