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 ...

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

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

Imagine a field of solar panels floating silently in the endless day of Earth’s orbit. Unlike their terrestrial cousins, this ...

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 ...

NASA's Perseverance rover has been busy gathering bits of Mars — rock cores the size of chalk sticks, clusters of broken fragments no bigger than pencil erasers, and even grains of dust fine enough to ...

Scientists at NASA for the first time have been able to observe the make ... were dominated by frozen molecules that are gases or liquids on the surface of Earth, like water, methane, and carbon ...

Scientists at NASA for the first time have been able to ... were dominated by frozen molecules that are gases or liquids on the surface of Earth, like water, methane, and carbon dioxide.