An international team of scientists has uncovered evidence glaciers in the Southern and Northern hemispheres were synchronous ...

In the bigger picture, "down" could be defined as being below the plane of the solar system, which is known as the ecliptic.

This suggests that when the South Pole-Aitken impactor hit, it gouged deep into the Moon, generating intense heat. This ...

Every year in early January, Earth reaches the closest point in its orbit to the Sun, a moment astronomers call perihelion.

Climate can change fast, even when the planet looks stable. Earth has flipped into new patterns within decades in the past.

Stargazers will in one week have a chance to spot Saturn and the moon sharing a section of the night sky in what's known as a ...

Florida is home to 3 dark sky locations that may offer the clearest views of a planetary conjunction between Saturn and the ...

The Beehive Cluster, a group of about 1,000 stars, will be visible to skywatchers throughout January. Here's how to see it in ...

In virtually every piece of land on Earth—from near the summit of Mount Everest to Antarctica to caves nearly 2,000 meters ...

The ocean’s calendar is being rewritten, and human activity is holding the pen. Researchers at the Woods Hole Oceanographic ...

W hen you look at a map, Greenland looks pretty astonishingly big, taking up almost as much map space as the whole continent ...

An annexation of Greenland would be the largest geographic acquisition in U.S. history—but financial rewards would be a long ...