Until now, the first fossil evidence of land plants was from the Devonian period (420 million years ago). However, molecular evidence suggests an earlier...
Trilobites had well-developed gill-like structures in their upper leg branches, according to a new imaging study led by the University of California, Riverside.
Trilobite...
Paleontologists in Tasmania have unearthed the fossilized remains of a previously unknown species of the trilobite genus Gravicalymene and named it after...
In a paper published in the journal Scientific Reports, University of Lyon’s Dr. Jean Vannier and colleagues described several fossilized clusters of...
There’s always a lot of extraterrestrial dust floating down to Earth, but this dust is normally only a tiny fraction of the other dust in our atmosphere...
Geologists from Tohoku University, Japan, Amherst College and Washington University in Saint Louis, the United States, say they may have found the cause...
According to a new study published today in the journal Cell, the enterococci — gram-positive aerobic bacteria and a leading cause of hospital-acquired...
Paleontologists have unearthed the remains of a previously unknown slug-like creature that lived during the Early Ordovician epoch, 478 million years ago....
A research team led by Western Illinois University scientist Thomas Hegna has announced the discovery of two pyritized, egg-bearing specimens of the Ordovician...
A new study published in the journal Nature Astronomy is the first to look at meteorites from before giant space collision 466 million years ago.
This...
A ‘fossil’ meteorite discovered in a limestone quarry in Sweden is unique and distinct from other known meteorites, according to a team of researchers...
A team of scientists from the University of Gothenburg, Sweden, has found traces of two meteorite impacts in the Swedish county of Jämtland, a twin strike...
The fossil of a previously unknown species of eurypterid that lived 460 million years ago (Middle Ordovician period) has been discovered in Iowa.
This...
Paleontologists have discovered fossils of a 2-m-long lobster-like animal that lived in the seas of what is now Morocco during the early Ordovician period,...
Using a molecular dataset consisting of 144 carefully chosen species of insects, researchers from the 1KITE (1,000 Insect Transcriptome Evolution) project...
A team of UK researchers has revealed how the arrival of the first plants 470 million years ago triggered a series of ice ages.
The moss Physcomitrella...
