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...
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...
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...
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...