Earth may have had a ring made up of a broken asteroid over 400 million years ago, a study finds. The Saturn-like feature ...

New research provides compelling support for the "Snowball Earth" theory. This hypothesis suggests that Earth was entirely ...

Yet, researchers analyzing 21 craters from the Ordovician period found an unusual pattern: all were located within 30 degrees ...

This study presents the first physical evidence that Snowball Earth reached the heart of continents at the equator.' ...

Although there are several countries and, of course, even more cities that lie on the equator, Indonesian cities are the only ...

The researchers have based their hypothesis on the positioning of nearly two dozen impact craters -- all placed within 30 ...

The team's hypothesis calls for a temporary ring around Earth, which would explain why impacts were constrained to a ...

Ever since the term “Snowball Earth” was first proposed in a 1992 paper, it has prompted substantial debate among scientists.

Evidence from Colorado suggests glaciers once covered Earth to the equator, supporting the Snowball Earth theory. This ...

Geologists have uncovered strong evidence from Colorado that massive glaciers covered Earth down to the equator hundreds of ...

Even the balmy tropics may have once been crushed by colossal masses of ice.

Geologists have uncovered strong evidence from Colorado that massive glaciers covered Earth down to the equator hundreds of ...