The world's oldest rocks are spread across the globe and paint a picture of Earth's turbulent early history. Here are some of ...

At the bottom of the Pacific Ocean, an extraordinary structure has formed. Scientists are unsure what it is and continue to ...

Although it’s long been suggested that hydrothermal vents could’ve played a starring role in the formation of life on Earth ...

There were schools of thought in Ancient Greece that speculated about extraterrestrial life, in trying to answer questions about the universe ...

A new study explores how variations in Mars' crustal thickness during its ancient history may have influenced the planet's ...

If this colossal solar storm hit our technologically advanced world the effects would have been devastating. Earth is no stranger to solar storms. Just this year we've been bombarded with storms ...

The zircon grain may contain the oldest direct evidence of ancient hot water on the red planet, which may have provided environments such as hot springs that are associated with life on Earth.

It was the first attempt to reconstruct the ancient landscape and climate of the land bridge. The researchers presented their results today (Dec. 10) at the annual meeting of the American ...