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Evolution Oct 9, 2026

Tiny marine microbe sheds new light on how little genetic machinery a cell needs to survive

Scientists have discovered a previously unknown microorganism that has the smallest genome ever found and may be able to replicate and express its own genetic information.

Plants & Animals Oct 9, 2026

3D genome 'entanglement' may explain how cephalopods evolved complex brains

Octopuses, squid and cuttlefish, collectively known as coleoid cephalopods, have evolved exceptionally large and elaborately structured nervous systems capable of complex behaviors such as problem-solving and rapid camouflage. ...

Molecular & Computational biology Oct 8, 2026

Fading control over 'jumping genes' may explain why big dogs age faster

Across mammals, larger species typically have longer lifespans, ranging from only a couple of years for mice to almost 200 years for some whales.

Cell & Microbiology Oct 8, 2026

Mapping how a single cell becomes an entire mouse

Growing inside each of us is a cellular family tree. Every one of the 37 trillion cells in our body is generated from another cell, going all the way back to a single fertilized egg. Much like we can draw a family tree tracking ...

Education Oct 8, 2026

A biologist queries whether AI 'borrowed' his work to make major discovery—an expert explains the rules

AI company Anthropic recently announced that its popular system Claude had identified an unusual family of biological molecules. These molecules were enzymes, a type of protein that speeds up chemical reactions in living ...

Plants & Animals Oct 8, 2026

DNA testing of fecal samples reveals greater gliders eat wider variety of plants than previously thought

Identifying the favorite snacks of one of Australia's cutest animals no longer needs to rely on guesswork or picking apart their poop, according to University of the Sunshine Coast research. Although the shortened title of ...

Plants & Animals Oct 8, 2026

As species decline, green turtles offer a glimmer of hope

The palm-sized green turtle hatchling flailing through the sand on a Malaysian island may seem vulnerable, but its species has emerged as a symbol of hope for wildlife conservation.

Earth Sciences Oct 7, 2026

Snowball Earth's iron deposits may have formed through microbes living without sunlight

Iron is one of the most abundant metals on Earth's surface, yet how such massive iron ore deposits formed throughout geological history has long remained a mystery. The prevailing theory has been that ancient photosynthetic ...

Ecology Oct 7, 2026

First global genome atlas reveals overlooked microscopic life in hundreds of lakes and reservoirs

Tiny single-celled organisms help keep lakes clear, but some can also contaminate the water. An international research team has analyzed DNA data from 362 lakes to create the first global genome atlas of these organisms. ...

Evolution Oct 7, 2026

Gut bacteria reveal ancient ties to human migrations across continents, genetic analysis suggests

As waves of humans left Africa tens of thousands of years ago, eventually populating the entire planet, they were joined on their world-conquering ride by the trillions of microorganisms that compose the gut microbiome.

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