It has been missing for 80 years but Sillem’s Mountain Finch Leucosticte sillemi has now been rediscovered on the Tibetan plateau by a trekker who was too ill to leave camp.

Bottlenose dolphins that use sponges to protect their noses while foraging are using a technique that began in the 19th century, a study finds.

The brains of teenage girls with behavioural disorders are structurally different to those of their peers, researchers have found.

A team planning to build a Victorian computer for the first time have decided not to use Kickstarter to finance the project.

Scientists analysing the area beneath the Spanish city of Lorca find that the extraction of groundwater may have triggered a fatal 2011 earthquake there.

Canada blocks a $5.2bn(£3.3bn) takeover bid from Malaysia's Petronas, saying it would not benefit the country.

Six Italian scientists and an ex-government official have been sentenced to six years in prison over the deadly 2009 earthquake in L'Aquila.

Researchers in the US are shocked to hear a whale making vocalisations similar to human speech in frequency and cadence.