Bacterial resistance to antibiotics is a growing health threat, but its evolution outside laboratory settings is poorly understood. Bacteria living in the human gut are now found to evolve persistent ...

Cold-adapted animals started to evolve 2.6 million years ago when the permanent ice at the poles became more prevalent. There followed a time when the continental ice sheets expanded and contracted ...

As mist lingers over a Swedish fjord lined with towering, forested cliffs, a group of scientists collect mud from the bottom of the turquoise-colored waters. They’re after brittle stars—marine animals ...

Researchers have proven that antibiotic-resistant strains of a harmful bacteria thrive in a diabetic infection environment. Antibiotics are powerful, fast-acting medications designed to eradicate ...

Bignose unicornfish (Naso vlamingii) are an Indo-Pacific reef species known for their blue markings. They can quickly hide ...