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'Oldest octopus' fossil is no octopus at all, scans reveal

A famous 300-million-year-old fossil that was thought to be the world's oldest octopus—even featuring in the Guinness Book of Records—has turned out to be something else altogether. In what amounts to a case of mistaken identity, ...

New spider species in the Amazon mimics parasitic fungus

An international research team, including the Leibniz Institute for the Analysis of Biodiversity Change (LIB), has described a new species of spider from the Ecuadorian Amazon: Taczanowskia waska. The species is characterized ...

Mutant clownfish reveals how nature draws boundaries

In 1999, a clownfish (Amphiprion ocellaris) hatched in the aquarium of a tropical fish hobbyist in the UK. These clownfish are prized by aquarists for their unique pattern of three straight white bars bordered by a thin black ...

Researchers present first fossilized 'emperor' butterfly

Butterfly fossils are rare, and finds that preserve fine anatomical details and wing patterns are an absolute exception. An international research team from Sweden, the U.S., and Germany, led by Dr. Hossein Rajaei, lepidopterist ...

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Evolution
A 500-million-year-old clawed predator rewrites the origin of spiders and horseshoe crabs
Evolution
Millions-of-years-old insect symbioses are surprisingly fragile
Plants & Animals
Great hammerheads maintain peak hunting across wide temperature swings, biologging data suggest
Evolution
Parasites defy biodiversity rules, thriving far from the equator
Evolution
Ancient predator species discovered in South Africa challenges what we know about gorgonopsians
Evolution
Cornerstone model of evolutionary biology built on math flaw, study argues
Evolution
100 million years ago, an 'evolutionary fuse' was lit in the deep ocean, sparking squid diversification
Evolution
Tracing the evolutionary history of chemical warfare between plants and insects
Evolution
Limits of protein evolution could reshape ideas about early life
Evolution
New discoveries are showing how human anatomy is far from settled
Evolution
Ancient Neanderthal genome reveals isolated, distinct populations
Evolution
A mass mating event in the lab reveals how yeast cells choose partners
Evolution
Ancient DNA reveals earliest known dogs lived alongside Ice Age humans
Evolution
Land animals evolved from ocean ancestors—new study unravels the genetics behind the transition
Evolution
Masripithecus: A new Miocene ape from Egypt sheds light on the origins of modern apes
Evolution
Tale of the lava heron: Student describes new Galapagos species
Plants & Animals
Rare sperm whale birth and coordinated caregiving revealed by drone footage and underwater audio
Evolution
One-of-a-kind experiment tracks plant evolution in response to climate change at 30 sites worldwide
Plants & Animals
Malaria-transmitting mosquitoes in South America are evolving to evade insecticides
Evolution
Research challenges long-held ecological belief of how rare species survive

Other news

Soft Matter
New AI method flags fluid flow tipping points before simulations break down
Molecular & Computational biology
One DNA letter can trigger complete sex reversal
Astronomy
What if dark matter came in two states?
Space Exploration
Houston, we have a problem ... with the toilet
Ecology
Soundscapes from nearby forests are more uplifting than those from faraway places, research suggests
Plants & Animals
The lengths male octopuses go to protect the arm they need to mate
General Physics
Physicists zero in on the mass of the fundamental W boson particle
Plants & Animals
Ecuador study finds tropical rainforest biodiversity rebounds over 90% in 30 years
Archaeology
Unique double baptistery and mysterious marble block uncovered at Byzantine cathedral in Israel
Earth Sciences
AMOC collapse could turn Southern Ocean into carbon source, adding 0.2°C to global warming
Cell & Microbiology
AI uncovers hidden immune defenses inside bacteria
Bio & Medicine
Sound-sensing hair bundles in our ears act as tiny thermodynamic machines
General Physics
AI trained like a Rubik's Cube solver simplifies particle physics equations
Archaeology
DNA evidence reveals a Stone Age population collapse in France
Cell & Microbiology
A 'stemness checkpoint' helps control stem cell identity
Environment
Satellites capture the volatile human–luminescence relationship
Earth Sciences
Uncharted island will soon appear on nautical charts
Earth Sciences
Summer is getting longer, and it's happening faster than we thought
Nanophysics
Momentum-engineered photonic states make bulk silicon shine
Archaeology
Ancient architecture shows public opinion influenced Maya divine kings

How the echolocation of bats has shaped their skulls

Bats are some of the most highly specialized mammals to have ever evolved. This includes not only the evolution of active flight, but also their echolocation. This ability requires the bats to produce high frequency noises ...

Cleaner fish show intelligence typical of mammals

Researchers at Osaka Metropolitan University in Japan have discovered a previously undiscovered behavior in cleaner wrasse (Labroides dimidiatus). When presented with a mirror, the tiny fish not only recognized themselves, ...

Uncovering evolution at the center of cell division

Centromeres play virtually the same central role across the entire tree of life: They ensure the faithful segregation of chromosomes during cell division. Yet the striking diversity in centromere architecture—from large, ...