Astronomers and amateur stargazers will be in for a treat the last week of February when a seventh planet will join six others in a planetary parade.

The strong-willed director of NASA’s Marshall Space Flight Center, he failed to pass on warnings from engineers that the space shuttle launch was at risk.

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

All of Earth's planetary neighbors are about to be visible in the night sky next week – though you may need binoculars to see ...

So, if astrobiologists ever do find alien life with a weird chemistry that uses some liquid other than water, it's not likely ...

Mississippi stargazers will be able to see 4 or 5 planets in the night sky with their naked eye this month. Will you be able ...

Planets will align on Feb. 28 in a semi-rare phenomenon that only occurs every few years. Can you see it in Georgia? Here's ...

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

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 ...

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 ...

Researchers are unlocking secrets of our solar system by analyzing asteroid Bennu samples, some of the most pristine ever ...