Scientists have discovered a species of ancient mammal that survived the event that led to the extinction of the dinosaurs.

The Nobel Prize for physiology or medicine has been awarded to two teams for their groundbreaking work on parasitic diseases.

Chile announces the creation of two new marine reserves off its coast which together will cover more than a million sq km.

The Chernobyl exclusion zone now has more wildlife than before the 1986 nuclear accident, researchers say.

A global assessment concludes that almost one-third of cactus species face extinction due to unsustainable harvesting and illegal trade.

A carnivorous plant uses raindrops as a power source to bounce ants into a trap, researchers find.