Virginia Tech’s study traces early eukaryotic evolution, highlighting life’s diversification since 2 billion years ago.

Two massive asteroid impacts 35.65 million years ago left significant craters but caused no long-term climate changes, ...

In a 2014 study, scientists dated the discovery to 4.39 billion years old, give or take a few million years. In other words .

Everest, about 60 million years ago, was the rapid movement of India northward toward the continent of EuroAsia; Click here for a present-day map of the ... look beneath the Earth's surface.

The space rocks, both estimated to be no larger than 5 miles (8 kilometers) wide, impacted Earth within 25,000 years of each ...

Over several millions of years of continuous rain, oceans form. By about 3,900 million years ago (mya), Earth's environment has been transformed from a highly unstable state into a more hospitable ...

About 800 million years ago, oxygen levels reached about 21 percent and began to breathe life into more complex organisms. The oxygen-rich ozone layer was also established, shielding the Earth's ...

The feature uses millions of satellite ... it is the biggest update to Google Earth in four years. Google Earth uses similar technology to the widely used Maps product, but is more focused on ...

Billions of years ago ... from those on Earth. For one, Mars is on average about 50 percent farther from the sun than Earth is, with an average orbital distance of 142 million miles.