Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name “Hadean” comes from the ...

Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?

A leap second is a one-second modification that is sometimes used with atomic clocks, whenever there is a change in Earth's ...

The molten rock was hot enough to melt the surrounding rocks and release massive amounts of carbon dioxide into Earth's ...

A mass extinction event wiped out around 90% of life. What followed has long puzzled scientists: The planet became lethally ...

Earth is expected to spin slightly faster on three specific days in July and August: July 9, July 22 and August 5. This could ...

A scientist has warned that Earth's rotation is unexpectedly accelerating, leading to the shortest day in history in just a ...

The slightly warmer temperatures around the middle of the Earth melted the top layers of ice to form meltwater ponds that ...

Fossils from Earth’s biggest extinction reveal forest collapse triggered runaway warming - offering a warning for today’s ...

The ancient history of Earth has always been hard to read. Most of the planet’s earliest crust has been lost, buried, or melted by geologic processes over billions of years.

Somewhere between Google Earth glitches and ancient prophecy, a new kind of internet mystery has taken hold. It doesn’t come ...