Mayan astronomers built a 700-year-long eclipse calendar centuries before telescopes
More than a thousand years ago, astronomers from the Maya civilization developed one of the most sophisticated time-keeping…
Mongolian fossil fills 15-million-year gap in dinosaur behavior and evolution
It was a gray morning on the steppes of central Mongolia when paleontologist Tsogtbaatar Chinzorig spotted something glinting…
Scientists discover how extreme heat forged the world’s continents
For billions of years, Earth’s continents have stood firm, forming the foundation for mountains, rivers, and life itself.…
Scientists discover the secret to keeping your biological clock on track
As sunlight filters through your window each morning, a quiet, powerful rhythm pulses inside your body. This inner…
Million-year-old fossil changes what we know about human hands and feet
For decades, Paranthropus boisei, an early hominin that roamed eastern Africa a million years ago, was known for…
New discovery could change the way future rovers are designed and tested
As space agencies race to set foot on the Moon, Mars, and elsewhere, a not-so-glamorous problem could be…
Fungi’s ancient origins: How they shaped life on Earth a billion years ago
Fungi live in all corners of the world. They live in soil, float in the air, and thrive…
Scientists unlock the secrets of Earth’s earliest rocks
In Earth’s early days, more than 4 billion years ago, the surface was a dangerous and unpredictable place.…
Meet Grue Jay: Rare hybrid offspring of a blue jay and a green jay born of climate change
A woman in a San Antonio suburb took a photo one spring morning in 2021 of a bird…