Earth & Environment
430,000-year-old wooden tools found in Greece rewrite early human history
Archaeologists have uncovered the earliest known hand-held wooden tools ever used by humans, and the discovery is changing what we know about early technology.
Found...
Baby dinosaurs were a key food source for Jurassic predators, study finds
A new study suggests that the babies of the largest dinosaurs to ever walk the Earth were once a crucial food source for meat-eating...
Ancient DNA solves a 12,000-year-old medical mystery
Scientists have uncovered the oldest known genetic diagnosis of a rare inherited disease, thanks to advances in ancient DNA research.
By analyzing the DNA of...
A 40-million-year-old ant hidden in Goethe’s amber still has stories to tell
More than 200 years after Johann Wolfgang von Goethe’s death, his curiosity about nature is still leading to new discoveries.
Scientists in Germany have now...
Why the ocean around Greenland is expected to drop—even as the world’s seas rise
Sea levels are rising across most of the planet as the climate warms and ice melts.
But around Greenland, scientists say the opposite is likely...
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...
FEATURED
Why are so many Americans leaving their jobs right now?
The numbers don’t lie.
Americans are leaving their jobs in hordes, and many of those who haven’t left yet say they’re thinking about it.
A Microsoft...
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...
Scientists find the oldest known projectile points in the Americas
Archaeologists have uncovered projectile points in Idaho that are thousands of years older than any previously found in the Americas.
This helps fill in the...
July 22, 2024: Earth’s hottest day ever recorded, NASA reports
NASA has reported that July 22, 2024, was the hottest day ever recorded on Earth.
This finding comes from NASA's analysis of global temperature data,...
Jack Bogle: How to invest in government and corporate bonds
A bond is a debt security.
Borrowers issue bonds to raise money from investors willing to lend them money for a certain amount of time.
When...
If there were a war in space, debris would destroy all remaining satellites in...
On one particular day in 2021, astronauts and cosmonauts aboard the ISS must have felt a pin-prick of fear and uncertainty.
On November 15th of...
Liquified natural gas is worse for the climate than coal, study finds
A new study from Cornell University has found that liquified natural gas (LNG) has a bigger negative impact on the environment than coal, despite...
New evidence challenges Easter Island collapse theory
A recent study challenges the popular belief that the ancient inhabitants of Easter Island, known as Rapa Nui, caused their own downfall through environmental...