Fossil skulls reveal how extinct mammals smelled the world, with new research linking olfactory bulb size to gene counts.

The sense of smell is vital for animals, as it helps them find food, protect themselves from predators and interact socially. An international research team led by Dr. Quentin Martinez and Dr. Eli ...

We now know how good the sense of smell was in giant sloths, sabre-toothed tigers and other long-lost species.

You know that person — the one who walks into the room and everyone's like, 'Oh, hey!' They just have that 'it' factor, and ...

Fatally infected ant pupae emit a precise chemical signal that triggers workers to disinfect—and sacrifice—them to stop disease spread.

International research and highly-specialized divers are bringing an underground, underwater world to the surface ...

Weird Animal Habits usually sounds like a fun list, but the truth is that animals genuinely carry some of the strangest behaviours on Earth. When you look closely, you find creatures that fake death ...

The apparent docility and friendliness of “smiling” sloths have made them tourist darlings, but have also put a target on their backs. The rise in trafficking of these animals led the governments of ...

The northern and southern maned sloths may look very similar from the outside, but their genomes reveal different stories: The two species have faced very distinct conditions in Brazil's Atlantic ...

Roger Williams Park Zoo has revealed the name of the baby two-toed sloth born earlier this month. "Say hello to Quint! This little one is named after captain Quint from the movie Jaws!" they wrote in ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Imagine a sloth. You probably picture a medium-size, tree-dwelling creature hanging ...

Maybe you can’t detect the scent of grass anymore. Or maybe coffee’s aroma now triggers disgust. After getting COVID-19, your sense of smell may seem persistently off. You’re not alone. Even years ...