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Life

Basking sharks are one of the few warm-blooded species of fish

The ability to warm up parts of their body may help basking sharks migrate long distances and overcome drag when they are feeding

Life

Amazing fossil hints mammals hunted dinosaurs three times their size

Life

Fossil of pregnant ground sloth discovered with fetus inside

Life

Pigs open doors to free companions in a possible show of empathy

Environment

Mass fish deaths will occur more often in rivers as UK gets hotter

Life

Bone disease in sabre-toothed tigers may be a sign of inbreeding

Life

Life鈥檚 hidden laws: The arcane rules of evolution and how they work

cooperative breeding in redstarts

Life

Birds from two different species raise chicks together in one nest

Life

Birds are using anti-bird spikes to make their nests

Life

Sex between two males is extremely common in wild macaque monkeys

Almost three-quarters of male macaques observed by scientists mounted other males, and the behaviour may help to strengthen alliances

Life

Male spider mites rip off females鈥� skin to be first to mate with them

Life

Giving jaguars ‘food poisoning’ may stop them from killing livestock

Environment

Loss of large animals in Europe is entirely due to people, not climate

Life

Threatened seabirds are foraging at plastic pollution hotspots