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

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

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

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 ...

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

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 programs while the private industry pushed for rapid reuse. The answer to ...

New Hubble Space Telescope imagery of the Saturn show it's 'ring spokes' in orbit around the gas giant planet. Credit: Space.com | Science: Amy Simon (NASA-GSFC) / Animation: Joseph DePasquale (STScI) ...

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 ...

In his book, Sagan wrote: "The Earth is the only world known so far to harbor life. There is nowhere else, at least in the near future, to which our species could migrate. Visit, yes. Settle, not yet.

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