Early life on Earth may have thrived in impact craters
When free oxygen accumulated in Earth's atmosphere during the Great Oxygenation Event (GOE), the course of life on Earth changed forever.
It created a new...
100,000-Year-Old Burned Bones Could Rewrite Human Burial History
Scientists studying ancient human remains in Ethiopia may have uncovered the earliest known evidence of human cremation, dating back about 100,000 years.
The discovery comes...
Earth’s Core Suddenly Changed Direction Beneath the Pacific, Satellites Reveal
Deep beneath the Pacific Ocean, something strange happened inside Earth around 2010.
Scientists have discovered that part of the planet’s liquid outer core unexpectedly reversed...
Why T. rex Ended Up With Tiny Arms
The Tyrannosaurus rex is famous for many things—its enormous size, terrifying bite, and surprisingly tiny arms.
For years, scientists have wondered why such a powerful...
Hidden “White Hydrogen” in Ancient Canadian Rocks Could Power the Future
Deep beneath some of the oldest rocks on Earth, scientists have discovered a surprising source of clean energy slowly building up underground: natural hydrogen...
Scientists discover exploding star material hidden in Antarctic Ice
Scientists studying ancient Antarctic ice have discovered new evidence that Earth is currently traveling through a cloud of material left behind by long-dead stars.
An...
Scientists want to build ultra-precise lasers inside the moon’s darkest craters
Some of the coldest and darkest places in the solar system may soon become home to one of humanity’s most advanced scientific tools.
Researchers led...
Tiny mammals survived Arctic darkness alongside dinosaurs, scientists discover
More than 70 million years ago, the Arctic was not the frozen, empty place we know today. Instead, it was home to forests, dinosaurs,...
A hidden river of heat is moving toward Antarctica
Scientists have discovered troubling evidence that warm deep-ocean water is slowly moving closer to Antarctica, increasing the risk of melting the continent’s giant ice...
Iron and ice: Earth’s passage through the interstellar cloud
Iron-60 is a radioactive isotope of iron that's found in Antarctic ice and in deep-sea crusts.
It's only source is nucleosynthesis in the cataclysmic explosive...