The ring would have gradually fallen to Earth as meteorites, correlating to a spike of impacts seen in the geological record.

An effort to understand Earth’s past climates uncovered a history of wild temperature shifts and offered a warning on the ...

Lavas from hotspots - -whether erupting in Hawaii, Samoa or Iceland -- likely originate from a worldwide, uniform reservoir in Earth's mantle, according to an evaluation of volcanic hotspots.

A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth's ...

The new study asserts that Earth's ring formed around 466 million years ago, and stuck around for around 40 million years ...

At times during the past half-billion years, carbon dioxide warmed our planet more than previously thought, according to a ...

Researchers show the average surface temperature on our planet has shifted between 51.8 to 96.8 degrees Fahrenheit ...

A timeline of 485 million years of Earth’s surface temperatures shows ancient greenhouse conditions were hotter than scientists thought.

A new study offers the most detailed glimpse yet into how Earth's surface temperature has changed over the past 485 million years. The data show that Earth has been and can be warmer than today -- but ...

A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...

Voyager 1 was responsible for one of the most iconic space photos in the history of the space program. In 1990, while still ...

Earth may have had rings. At least that's what a new study published this month claims. Here's what we know so far.