The findings suggest that mass extinctions are not always caused by a single dramatic event.

Scientists claim to have discovered the remains of microorganisms in Canada that are at least 3.77 billion years old. If they are proven to have a biological origin, they would be the oldest ...

Stored in an open-air warehouse in tropical Darwin, Australia, are trays of cylindrical rock cores drilled decades ago by ...

NASA's Mars 2020 rover will store rock and soil samples in sealed tubes on the planet's surface for future missions to retrieve, as seen in this illustration Using a revolutionary new imaging process, ...

A strange meteorite seen over Sri Lanka in late 2012 led to a claim that still sparks debate today. In a controversial paper published in 2013, researchers said fragments from the object may have ...

The Gunflint Formation, which straddles Lake Superior's northwestern shore, contains a treasure trove of geological clues about the evolution of life. After a recent geological reassessment of this ...

An Indian geologist discovered a microfossil that is said to be 2 billion years old. A paleontologist is pictured uncovering a fossil in central Bulgaria on June 07, 2017. Getty Images A geologist in ...

Light microscope images of euglenoid cysts from the Triassic-Jurassic boundary (approx. 200 million years old) in the Schandelah-1 core in Germany (left) and from Triassic sediments in Winterswijk, ...

Images of the newly discovered microfossil from the 1.9-billion-year-old Gunflint Formation. Scientists have long pondered how and when the evolution of prokaryotes to eukaryotes occurred. In contrast ...

MONTREAL — Scientists claim to have discovered the remains of microorganisms in Canada that are at least 3.77 billion years old. If they are proven to have a biological origin, they would be the ...