Scientists found a mysterious rogue planet roaming aimlessly outside our solar system. What if it came closer?

This video explains how the solar system formed and why most planets move in the same direction, using basic physics and ...

This weekend, six planets are set to share the sky in a rare “planet parade,” giving stargazers a short but magical window to ...

Jupiter, Mercury, Neptune, Saturn, Uranus, and Venus—will appear in the sky together in a special planet parade on Feb. 28.

Astronomers have announced the discovery of what appears to be an "ice cold Earth," a chilly but potentially habitable rocky ...

The asteroid, around 100 feet in diameter, is speeding toward our planet at about 22,000 miles per hour, according to NASA.

Luciano Pavarotti, the Italian opera singer, previously sang the song during his final public performance at the 2006 Winter ...

NASA’s SPHEREx mission observed infrared emissions from interstellar comet 3I/ATLAS, documenting changes in dust, gas, and ...

Mercury reaches its peak evening visibility this February, offering Northern Hemisphere observers a longer post-sunset viewing window, higher altitude and a crescent moon reference.

Look west just after sunset from this weekend for a chance to see some of six planets, though the best views will be had ...

New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened ...

A UT San Antonio-led international research team has identified chitin, the primary organic component of modern crab shells ...