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

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

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 ...

James Webb Space Telescope and the W.M. Keck Observatory captured new images of Saturn's moon Titan. Credit: NASA/STScI/W. M. Keck Observatory/Judy Schmidt | edited by Space.com's Steve Spaleta ...

Retired NASA astronaut Scott Kelly has come to the defense of Andreas Mogensen who was insulted by SpaceX CEO Elon Musk ...

NASA’s Galileo spacecraft, which was designed to study the large, gaseous planet Jupiter and its moons, first caught hints of ...

With speculation circulating about astronaut Sunita Williams’ delayed return from the International Space Station, Dr ...

Brilliant. India learns the lesson NASA and the US Congress refused to for 15 years, as they spent billions on bloated rocket ...

The X-38—had it gone operational—would not have been the first reusable spacecraft. But it helped lay the groundwork for ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.