Decades of work helped establish a refuge for these birds along the Argentinean coast — the largest and last colony of its kind. But their future remains precarious.

As the world’s mountain ice melts, scientists look to the poorly understood rock glaciers to provide temporary reprieve for people and ecosystems

The research is rolling in, and the answer is yes. It’s possible to turn tedious work gatherings into more effective and enjoyable experiences.

As physicians age, debates about mandatory testing or retirement intensify

Colder oceans are full of animals that need to fatten up to survive, but a key source of lipids — a tiny, oil-stuffed critter called a copepod — is feeling the heat, affecting a vital food web

In a handful of animals, tumors can be transmitted like infectious diseases or parasites, defying science’s tidy definitions

Antibodies made by the immune system can sometimes target human brain cells, producing psychiatric symptoms. Researchers aim to better identify such rare cases as well as fine-tune treatments.

Flies check in, but they don’t check out, thanks to liquid laced with stretchy sugars that keep them tangled up