Geography

Ancient DNA evidence shows hunter-gatherers and farmers were intimately linked

Ancient DNA evidence shows hunter-gatherers and farmers were intimately linked

In human history, the transition from hunting and gathering to farming is a significant one. As such, hunter-gatherers and farmers are usually thought about as...
New Species of Bus-Sized Fossil Pliosaur Unearthed in Russia

New Species of Bus-Sized Fossil Pliosaur Unearthed in Russia

A new species of a fossil pliosaur (large predatory marine reptile from the 'age of dinosaur') has been found in Russia and profoundly change...
The Birth and Death of a Tectonic Plate

The Birth and Death of a Tectonic Plate

Several hundred miles off the Pacific Northwest coast, a small tectonic plate called the Juan de Fuca is slowly sliding under the North American...
This is a photo of a darkling beetle fossil from the La Brea Tar Pits.

Fossil beetles suggest that LA climate has been relatively stable for 50,000 years

Research based on more than 180 fossil insects preserved in the La Brea Tar Pits of Los Angeles indicate that the climate in what...
3.3 Million-Year-Old Fossil Reveals the Antiquity of the Human Spine

3.3 Million-Year-Old Fossil Reveals the Antiquity of the Human Spine

For more than 3 million years, Selam lay silent and still. Eager to tell her story, the almost perfect fossil skeleton of a 2 1/2...
3.3-million-year-old fossil reveals origins of the human spine

3.3-million-year-old fossil reveals origins of the human spine

Analysis of a 3.3 million-year-old fossil skeleton reveals the most complete spinal column of any early human relative, including vertebrae, neck and rib cage. The...
Himalayan powerhouses

Himalayan Powerhouses: How Sherpas Have Evolved Superhuman Energy Efficiency

Sherpas have evolved to become superhuman mountain climbers, extremely efficient at producing the energy to power their bodies even when oxygen is scarce. The study...
Supercomputing helps researchers understand Earth's interior

Supercomputing helps researchers understand Earth’s interior

Geologists create model with potential to predict earthquakes, volcanoes, and other tectonic activity Contrary to posters you may have seen hanging on the walls in...
Researchers Discover Hottest Lavas That Erupted in Past 2.5 Billion Years

Researchers Discover Hottest Lavas That Erupted in Past 2.5 Billion Years

An international team of researchers recently discovered that deep portions of Earth's mantle might be as hot as it was more than 2.5 billion...
Understanding tornadoes

Understanding tornadoes: 5 questions answered

Editor’s note: May and June are typically peak months for tornadoes in North America. We asked Penn State meteorology professors Paul Markowski and Yvette...