Unearthed: World’s Oldest Animal Sperm—And It’s Giant
Unearthed: World’s Oldest Animal Sperm—And It’s Giant
The sperm, belonging to a tiny marine crustacean, dates back nearly 100 million years, making it the most ancient animal sperm found to date.
Unearthed: World’s Oldest Animal Sperm—And It’s Giant
Unearthed: World’s Oldest Animal Sperm—And It’s Giant

The sperm, belonging to a tiny marine crustacean, dates back nearly 100 million years, making it the most ancient animal sperm found to date.

The sperm, belonging to a tiny marine crustacean, dates back nearly 100 million years, making it the most ancient animal sperm found to date.

fossil
Genetics Steps In to Help Tell the Story of Human Origins
Genetics Steps In to Help Tell the Story of Human Origins
Katarina Zimmer | Sep 1, 2020
Africa’s sparse fossil record alone cannot reveal our species’ evolutionary history.
Infographic: Meet Your Ancient Ancestors and Relatives in Africa
Infographic: Meet Your Ancient Ancestors and Relatives in Africa
Katarina Zimmer | Sep 1, 2020
Modern human genomes and bones left behind from ancient hominins in Africa tell a complex story about the origins of our species.
45,000-Year-Old Human Remains Found in Bulgarian Cave
45,000-Year-Old Human Remains Found in Bulgarian Cave
Jef Akst | May 12, 2020
A tooth and six bone fragments are the oldest confirmed Homo sapiens fossils in Europe.
Image of the Day: Slow-Growing Brains
Image of the Day: Slow-Growing Brains
Amy Schleunes | Apr 8, 2020
Scans of eight fossilized adult and infant Australopithecus afarensis skulls reveal a prolonged period of brain growth during development that may have set the stage for extended childhood learning in later hominins.
Image of the Day: Early Bilaterian
Image of the Day: Early Bilaterian
Amy Schleunes | Mar 31, 2020
The newly described Ikaria wariootia was a small, wormlike creature that marked an important evolutionary step between early multicellular organisms and more complex modern animals.
Image of the Day: Wonderchicken<br>
Image of the Day: Wonderchicken
Amy Schleunes | Mar 20, 2020
A newly discovered fossilized skull is between 66.8 million and 66.7 million years old and bears similarities to modern-day chickens and ducks.
Image of the Day: Tiny Dinosaur
Image of the Day: Tiny Dinosaur
Amy Schleunes | Mar 16, 2020
A roughly 99-million-year-old piece of amber from northern Myanmar contains the skull of what appears to represent the smallest known dinosaur of the Mesozoic era.
Image of the Day: Filament Networks
Image of the Day: Filament Networks
Amy Schleunes | Mar 11, 2020
Fossils from Newfoundland, Canada, reveal the extensive connections that existed among Earth’s earliest, sea-dwelling animals.
Image of the Day: Scorpionfly Fossils
Image of the Day: Scorpionfly Fossils
Amy Schleunes | Mar 10, 2020
A piece of ancient amber found in a small Burmese village holds preserved remains that indicate this family of insects survived longer than the Early Cretaceous, as previously believed.