Mosasaurs were enormous reptiles best known for ruling ancient oceans more than 66 million years ago, but new evidence suggests some also lived in rivers. Scientists reached this conclusion after ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Nearly 70 million years ago, mosasaurs were the stuff of nightmares ...

Scientists believe they’ve found evidence that life on Earth is over a billion years older than anyone believed was realistic. New research used machine learning to scan ancient meteorites and fossils ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of Earth’s mantle and ejecting a huge debris disk that later formed the moon.

WASHINGTON, Nov 18 (Reuters) - Scientists have detected some of the oldest signs of life on Earth using a new method that recognizes chemical fingerprints of living organisms in ancient rocks, an ...

MSU researcher Katie Maloney contributed samples of rare, exceptionally well-preserved seaweed fossils (e.g., macroscopic algae) from Yukon Territory, Canada. These fossils are almost one-billion ...

An international team of scientists, including a senior researcher at Heriot-Watt University in Edinburgh, Scotland, has uncovered new evidence of ancient wildfires that reshapes our understanding of ...

Antarctica's ice cores are like frozen diaries of Earth's past, preserving ancient air and climate clues. Most continuous records go back about 800,000 years. But in a region called the Allan Hills, a ...

Scientists have long wondered why Earth's overall makeup doesn't fully match the mix of materials found in ancient meteorites. One hypothesis has been that our proto-Earth (what the earliest stages of ...

Harvard astronomer Avi Loeb is no stranger to furthering eyebrow-raising ideas. Lately, for instance, he’s been hypothesizing that the interstellar object 3I/ATLAS — broadly believed by his peers to ...

For decades, geologists labeled a billion-year stretch of Earth’s history—from 1.8 to 0.8 billion years ago—as the “Boring Billion.” They assumed not much occurred during the time: mountain building ...