Use telescopes and binoculars to observe a crescent moon, Jupiter as a 'Christmas star', star clusters and more — now is a great time to go night sky viewing.

The northern lights are expected to grace the skies of some northern states tonight and tomorrow, according to NOAA.

North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the Northern ...

In the study, published in Research Notes of the AAS, lead author Thomas Marshall Eubanks of the aerospace firm Space ...

CAPE CANAVERAL, Fla. (AP) — Saturn’s giant moon Titan may not have a vast underground ocean after all. Titan instead may hold ...

Earth has the perfect combination of a livable atmosphere and a protective magnetic field that prevents the Sun's harmful radiation and radioactive solar winds from damaging us, allowing us to live on ...

A series of solar events has increased the possibility of dazzling auroras over parts of the northern U.S. this week Getty The northern lights may be visible on Wednesday, Dec. 3, and Thursday evening ...

The interstellar comet 3I/ATLAS will make its closest approach to Earth on Dec. 19. Originating from outside our solar system, the comet is not a threat to Earth. While not visible to the naked eye, ...

Right now it doesn’t look like a major storm system but just a little wintry precipitation can cause huge travel problems. It all depends on the track and the strength of the upper air disturbance ...

The inner planets Mercury and Venus will both be visible in the east-southeast sky before sunrise on Tuesday, Nov. 25. When you purchase through links on our site, we may earn an affiliate commission.

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of Earth’s mantle and ejecting a huge debris disk that later formed the moon.