Earth & Environment
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...
Air Pollution Can Harm the Brain Within Just Hours
Air pollution has long been linked to breathing problems, heart disease, and reduced quality of life. But scientists are now increasingly worried about another...
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 Gold Never Seems to Lose Its Shine
Gold has fascinated people for thousands of years because of its bright, lasting shine.
Ancient civilizations used it for jewelry, coins and artwork, and even...
New Plant-Based Spray Could Eliminate Bad Breath in Dogs
Many dog owners adore their pets but are less enthusiastic about one common problem: bad breath.
Smelly dog breath is more than just unpleasant—it can...
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...
This popular fermented food may help flush microplastics from the body
Tiny plastic particles are now found almost everywhere on Earth. Scientists have discovered them in oceans, rivers, soil, food, drinking water, and even inside...
Data centers can heat nearby neighborhoods by up to 4 degrees, study finds
Data centers are becoming a bigger part of modern life, powering everything from online searches and cloud storage to artificial intelligence and streaming services.
But...
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,...
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New study pinpoints when humans began to dominate the Earth
Archaeologists have identified with unprecedented precision the turning point when humans began to transform the Earth beyond recognition, tracing it to around 3,000 years...
Scientists uncover ancient Aztec trade networks through obsidian artifacts
New archaeological research led by Tulane University and Mexico's Proyecto Templo Mayor has unveiled the extensive trade networks of the Aztec Empire, known as...
Earth has a ‘pulse’ every 27.5 million years, shows study
Geologic activity on Earth appears to follow a 27.5-million-year cycle, giving the planet a “pulse,” researchers report.
“Many geologists believe that geological events are random...
How likely are habitable exo-moons
Of the roughly 6,000 exoplanets we've discovered, a significant number are in the apparent habitable zones of their stars.
Most are giant planets; either gas...
How to manage your digital afterlife and why it matters
30 million people visit the memorialized Facebook pages of the dead each month.
If you were to die tomorrow, what would happen to your Facebook...
Stormy waves in the north Atlantic reveal secrets of Earth’s core—and beyond
New research from The Australian National University (ANU) has uncovered how powerful winter storms in the North Atlantic Ocean send energy signals that travel...
Why are nurses quitting health care?
Aside from retirements, poor working conditions are the leading reasons nurses leave health care employment, according to a new study.
The findings come at a...
Dogs can sniff out COVID-19 in human sweat, shows study
New study adds to a small but growing consensus that trained medical scent dogs can effectively screen individuals who may be infected with the...