Earth & Environment
Burning wood at home may harm our health more than we think
Throwing a log into the fireplace might seem cozy on a cold winter night, but new research shows it could be much more harmful...
How a slow change in ocean chemistry may have cooled Earth after the dinosaurs
Scientists may have finally solved a long-standing mystery about how Earth shifted from a hot, tropical “greenhouse” world to the cooler, ice-covered planet we...
Air pollution may raise the risk and speed of ALS
A new study from Sweden has found that long-term exposure to air pollution may increase the risk of developing serious brain diseases like ALS.
The...
How tiny Mars helps set Earth’s ice ages
Mars is only about half the size of Earth and has just one-tenth of our planet’s mass.
Compared with giants like Jupiter, it seems far...
Why Tiger Shark bites peak in Hawaiʻi each October
For years, surfers and ocean-goers in Hawaiʻi have talked about “Sharktober,” a time when shark encounters seem more common.
Now, scientists say the pattern is...
Scientists discover Tyrannosaurus rex grew for 40 years, far longer than we thought
Tyrannosaurus rex has long been pictured as a fast-growing monster that quickly reached its enormous adult size.
But a new study suggests the famous “king...
Different dirty air linked to different lung cancer death risks
Lung cancer is one of the most serious and deadly diseases in the world. Every year, millions of people are diagnosed, and many lose...
The Arctic is entering a new era of extreme weather, scientists warn
The Arctic is no longer changing slowly.
According to a new international study, the region has entered a new phase marked by frequent and intense...
A lost ice age giant speaks again—from inside a wolf’s stomach
Scientists have recovered the complete genome of a woolly rhinoceros that lived more than 14,000 years ago—and they did it using tissue preserved inside...
The rise of fish began with a mass extinction, fossils reveal
About 445 million years ago, life on Earth nearly collapsed. In a relatively short geological moment, Earth’s climate flipped dramatically.
Massive glaciers spread across the...
Whale hunting in south America began 5,000 years ago—far earlier than we thought
The history of whale hunting is much older—and more global—than researchers once believed.
A new study shows that Indigenous communities living along the southern coast...
How a 400-year-old shark keeps its vision sharp for life
In a quiet office at the University of California, Irvine, Dorota Skowronska-Krawczyk watches a grainy video on her computer.
A massive Greenland shark drifts slowly...
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Traffic air pollution linked to dementia risk
A recent meta-analysis suggests that breathing in air pollution from traffic, specifically a type called PM2.5, may be linked to a higher risk of...
“Death roll” of crocodiles are more common than previously believed
In a new study, researchers found that the "death roll" of alligators are more common among species than previously thought.
The research was co-authored by...
Extreme heat is particularly hard on older adults, and an aging population and climate...
Scorching temperatures have put millions of Americans in danger this summer, with heat extremes stretching from coast to coast in the Southern U.S.
Phoenix hit...
Ancient Neanderthals may have eaten women and children from rival groups
A new scientific study has uncovered disturbing evidence that Neanderthals at a cave site in present-day Belgium may have practiced selective cannibalism, mainly targeting...
Unveiling the Moon’s hidden past: How it turned itself inside out
Researchers at the University of Arizona Lunar and Planetary Laboratory, in a recent study published in Nature Geoscience, have revealed new insights into the...
Scientists find how to combat fake news with advanced technology
Every day, people around the world log on to the internet and social media to find out the latest news. But the spread of...
Jack Bogle: My prediction of future returns on stocks and bonds
John Clifton "Jack" Bogle (May 8, 1929 – January 16, 2019) was an American investor, business magnate, and philanthropist.
He was the founder and chief executive of The Vanguard Group,...
Electric cars better for climate in 95% of the world
Fears that electric cars could actually increase carbon emissions are unfounded in almost all parts of the world, new research shows.
Media reports have regularly...