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.

paleobiology
Environmental DNA Sequencing: Lessons from Ancient and Modern Environments
Environmental DNA Sequencing: Lessons from Ancient and Modern Environments
The Scientist Creative Services Team | Jul 10, 2020
In this webinar, Eske Willerslev and Simon Creer will discuss the discoveries they have made about the ancient and modern world through environmental DNA sequencing.
Ape Fossils Shed New Light on Evolution of Bipedalism
Ape Fossils Shed New Light on Evolution of Bipedalism
Catherine Offord | Nov 7, 2019
The 12-million-year-old bones of a previously unknown species named Danuvius guggenmosi challenge the prevailing view about when and where our ancestors first started walking upright.
Image of the Day: Fossilized Eyes
Image of the Day: Fossilized Eyes
Nicoletta Lanese | Aug 20, 2019
Both modern and ancient crane fly eyes contain eumelanin, a light-screening pigment.
Fossilized Tubes Point to Super-Ancient Mobile Organisms
Fossilized Tubes Point to Super-Ancient Mobile Organisms
Jef Akst | Feb 12, 2019
If the structures identified in a 2.1-billion-year-old rock are really signs of burrowing organisms, it would push back the earliest known mobile organisms by 1.5 billion years.
Paleoart
Paleoart
The Scientist Staff | Dec 31, 2018
See an update from Chicago's Field Museum about the works of Charles R. Knight and other paleoartists who pioneered the depiction of ancient life.
First Vertebrates Evolved in Shallow Water
First Vertebrates Evolved in Shallow Water
Kerry Grens | Oct 25, 2018
Fish stuck to coastal habitats for nearly 100 million years after they first appeared.
Fossilized Lipids Confirm <em>Dickinsonia</em> as One of the Earliest Animals
Fossilized Lipids Confirm Dickinsonia as One of the Earliest Animals
Ruth Williams | Sep 20, 2018
An analysis of organic material from 500-million-year-old fossils upholds the theory that the mysterious creatures were early forms of animal life.
Fossilized Beetle Is Earliest Evidence of Insect Pollinator
Fossilized Beetle Is Earliest Evidence of Insect Pollinator
Abby Olena | Aug 16, 2018
A 99-million-year-old beetle preserved in amber alongside grains of pollen likely pollinated prehistoric plants.
Why Are Modern Humans Relatively Browless?
Why Are Modern Humans Relatively Browless?
Jim Daley | Jul 1, 2018
The function of early hominins’ enlarged brow ridges, and their reduction in size in Homo sapiens, have puzzled paleoanthropologists for decades.