Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising temperatures are once again causing the world’s oceans to turn green.

Fossils and genetics are starting to point to life emerging surprisingly soon after Earth formed, when the planet was ...

The threat from space rock 2024 YR4 has surpassed that of Apophis, an asteroid feared by scientists 20 years ago. The danger ...

Could our solar system have been temporarily exposed to an enhanced flux of cosmic-rays at some point in the ancient past?

Dust and other debris would rise into the atmosphere on Bennu striking Earth, blocking out the Sun and cooling the planet to ...

“Our existence is probably not an evolutionary fluke,” says Jennifer Macalady, a study co-author and microbiology professor ...

There seems to be too much of a radioactive element in rocks deep in the Pacific Ocean – how did it get there 10 million ...

Near-Earth asteroid, Bennu, has scientists worried about a disastrous impact that could spark an "impact winter." ...

The field of paleo-inspired robotics is opening up a new way to turn back time and studying prehistoric animals.

For decades, scientists have sought reliable ways to reconstruct Earth’s ancient history, deciphering geological events that ...

About 400 kilometers northwest of Sydney, just south of Dubbo, lies a large and interesting body of rock formed around 215 ...

Bennu, a rocky object classified as a near-Earth asteroid, has a one-in-2,700 chance of colliding with Earth, a study has ...