In beautiful surroundings an echidna walked towards up from the seashore ... food sandwich in America isn't a Big Mac, based on data. See the 10 worst. Superstar singer closes popular Las Vegas ...

Scientists captured images of an elusive echidna named after the British biologist Sir David Attenborough for the first time in over 60 years. Attenborough's long-beaked echidna was last recorded ...

A nearly gapless genome sequence of the echidna, an egg-laying mammal with multiple sex chromosomes, helps researchers to track genomic reorganization events that gave rise to a highly unusual sex ...