Geography

Dinosaurs weren’t dying out—We just can’t find their fossils, study says

For decades, scientists have debated whether dinosaurs were already struggling before the asteroid strike that wiped them out 66 million years ago. But a new...

Ancient fossil finally solves 100-year mystery about strange arthropod

For over a century, scientists have been puzzled by a mysterious fossil called Helmetia expansa, an ancient arthropod from the Cambrian Period. First discovered in...

How a mudball meteorite from Costa Rica cheated death in the asteroid belt

In April 2019, a rare and powerful meteorite fell near the town of Aguas Zarcas in northern Costa Rica. Scientists say it’s one of the...

Earth’s first crust was surprisingly modern, study reveals

A new study has changed what scientists thought they knew about Earth’s early history. Researchers have discovered that the very first crust of our planet,...

One trillion species, 3 billion years: How we used AI to trace the evolution...

There are roughly a trillion species of microorganisms on Earth—the vast majority of which are bacteria. Bacteria consist of a single cell. They do not...

Arabia’s Desert once had lakes, rivers, and rainforest-like weather, study finds

The Arabian Desert, known today as one of the driest places on Earth, was once full of lakes, rivers, and green landscapes. Around 9,000 years...

Mammals moved to the ground before dinosaurs disappeared, new study shows

Long before the asteroid hit Earth and wiped out the dinosaurs, many mammals had already started living on the ground, according to new research...

NASA’s Perseverance rover watched a dust devil eat another on Mars

Mars is well known for its seasonal dust storms, which occur when the southern hemisphere experiences summer. Periodically, these storms grow to engulf the entire...

Scientists find deep-sea plastic hotspots created by underwater avalanches

Scientists have discovered that powerful underwater avalanches are sweeping huge amounts of microplastics into the deep sea, creating hidden pollution hotspots on the ocean...

Scientists reveal bizarre rivers that flow in two directions and break nature’s rules

Most rivers follow a few basic rules: they flow downhill, join other rivers, and eventually end up in the ocean or a lake. But a...