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Evolution

Present-day katydids of the genus Arethaea, pictured here, have the same internal structures as those seen in the fossil.

Exceptional Preservation of Internal Organs in 50-Million-Year-Old Katydid Fossil

Categories Life & Non-humans

A new species of early toothed whale

New Species of Ancient Toothed Whale Unveiled: Olympicetus thalassodon

Categories Life & Non-humans

Climate change could lead to "widespread chaos" for insect communities

Climate change could lead to “widespread chaos” for insect communities

Categories Earth, Energy & Environment

Plantar (underneath) view of feet of a four-toed tapir (left) and a one-toed horse (right) and in the middle, a reconstruction of the extinct three-toed horse

Modern horses have lost their additional toes, scientists confirm

Categories Life & Non-humans

Bone cavities called air sacs appeared in the ancestors of long-necked dinosaurs about 225 million years ago, according to the analysis of a specimen found in Rio Grande do Sul state, South Brazil. The study also shows that air sacs did not evolve as linearly as scientists believe (credit: Márcio L. Castro)

Brazilian fossil provides earliest evidence of evolutionary trait that enabled dinosaurs to become giants

Categories Life & Non-humans

Artistic rendition of the decapitation scene of Tanystropheus hydroides

Decapitated Dinosaurs: Fossil Evidence Confirms Predators Exploited Long Necks of Ancient Marine Reptiles

Categories Life & Non-humans

A ring finger locked in a bent position as seen in Dupuytren's disease, colloquially known as the "Viking disease."

“Viking disease” hand disorder may come from Neandertal genes

Categories Health

Very young chimp reaching out its hand. Credit Durham University.

Development of communication in chimpanzees echoes that of human infants

Categories Brain & Behavior, Life & Non-humans

An adult male black and white snub-nosed monkey (Rhinopithecus bieti).

Asian Monkeys in the Cold Evolve for Survival

Categories Life & Non-humans

Scientists have long debated whether comb jellies (left) or sponges (right) are the sister group to all other animals. A detailed comparison of the chromosomes of these and other animals to the chromosomes of three single-celled non-animal groups finally resolves the question. (Photos courtesy of MBARI)

What did the earliest animals look like?

Categories Life & Non-humans

The realllly long neck of a brontosaurus

How Sauropods Achieved Their Record-breaking Sizes

Categories Life & Non-humans

Modern human and Neanderthal skulls, showing difference in nasal height. Courtesy of Dr, Kaustubh Adhikari, UCL.

Neanderthal noses influence human honkers

Categories Life & Non-humans

Bee flying mid-air

Buzzworthy Research Suggests Insect Brains May Help Us Understand Our Own

Categories Brain & Behavior, Life & Non-humans

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