Microscopic image of the fossil microbe filaments. (Image: B. Cavalazzi)
Methane-forming microbes - possibly the oldest organisms of this kind - cavorted in hydrothermal...
This brightly colored aurora shines above the telescopes of the Amundsen-Scott polar station at the South Pole. Like the northern lights, the aurora...
This orange-spotted, pointed-nosed frog belongs to a species newly discovered in the Amazon region. However, it owes its name, Synapturanus zombie, not to its...
Four Alvarez sauroids illustrate the size differences. (Image: Zhixin Han / https://www.artstation.com/xinyanjun)
While most of the dinosaurs grew larger and larger in the course...
The trunk animals once had an enormous biodiversity. (Illustration: Oscar Sanisidro)
Today only three species are left - but once there was an enormous...
The fossil beetle and the originator of the feces in which it was preserved. (Image: Qvarnström et al./ Malgorzata Czaja)
Researchers have discovered a...
Among the dinosaur species that apparently lived and nested year-round in what is now Alaska was a relative of Tyrannosaurus rex: Nanuqsaurus hoglundi. ...
This is what Paraceratherium linxiaense could have looked like. (Image: Yu Chen)
Giant rhinos are among the largest land mammals that have ever lived...
This skull comes from an extinct crocodile that has long puzzled researchers. The reptile, once native to Madagascar, resembled the Nile crocodiles in...
Microfossils provide evidence of an enigmatic mass extinction in sharks. (Illustration: Leah Rubin)
A bang in the history of sharks is emerging: around 19...
Fossil blooms from the early Cretaceous period. (Image: NIGPAS)
Flowering plants have a unique characteristic that has contributed to their evolutionary success: their seeds...