14 February 2024
Cuttlefish usually use ink to confuse predators – but one species uses it as a dramatic backdrop, bursting through an inky cloud during courtship displays like a stage performer making a spectacular entrance
13 February 2024
Male Brachycephalus pulex frogs are so small that two of them can sit side by side on a pinky nail
15 July 2023
Pygmy right whales are evolutionarily distinct and may be part of a whale family long thought to be extinct
27 June 2023
Honeybees brought to the US from Europe and Africa tend to move pollen between flowers on the same plant more than native bees do. This appears to lower the quality of some plants’ offspring
9 June 2023
Harvestmen can shed legs when attacked by predators, but this survival tactic may have lifelong ramifications for the future sexual strategies of young males
15 May 2023
Many researchers thought butterflies first evolved in Asia, but a global genetic analysis suggests they arose in North America, well before the non-avian dinosaurs went extinct
11 May 2023
Even for cold-blooded sharks, the deep ocean is frigid. To tolerate low temperatures as they dive for deep-water squid, scalloped hammerheads close their gills
5 May 2023
Forty years ago, a strange, empty shark egg case was found off the coast of Western Australia, and scientists have finally determined the species it belongs to
23 April 2023
Worm-like amphibians called caecilians have a mutation in a genetic sequence that’s critical for limb development, which could explain how they became limbless
21 April 2023
Boars that encounter a wolf carcass will try to flee or fight the corpse, suggesting that sometimes dead predators can still influence their prey’s behaviour
