A massive flood five million years ago saw water rushing from the Atlantic Ocean and piercing its way through ... This event is known as the Zanclean megaflood and is believed to be the largest single ...

They also dated another sample of iron-60 to around six million years ago, coinciding with Earth’s entry into the “Local Bubble”—a vast region surrounded by a shell of heavy metals left ...

The effort, released this year for Earth Day, is a three-year collaboration between USA TODAY and market research firm ...

An intriguing study published in Nature analyzed water chemistry in the Earth’s oceans during the Archaean eon, a critical point in our planet’s evolution about 3.8 to 1.8 billion years ago.

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than ...

In a new paper published in Nature today, colleagues and I reveal secrets of Earth’s crust 4.5 billion years ago. In the process ... estimates ranging from 800 million to 4.5 billion years.

During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed. What followed was a cascade of environmental and biological changes ...

No, the whole earth — including the oceans — froze ... bottoms of long-vanished oceans between 550 million and 750 million years ago. Layers of jumbled rocks (presumably brought there by ...

31,181 people played the daily Crossword recently. Can you solve it faster than others?31,181 people played the daily Crossword recently. Can you solve it faster than others?