BBC

The Sun-powered aircraft Solar Impulse sets out from Egypt's capital, Cairo, on the last leg of its quest to circle the globe.

A small bog in Lancashire is once again home to a rare species of butterfly, for the first time in 100 years.

Currently under construction, the MeerKAT telescope in South Africa is establishing its role in scientific research.

A dolphin that was sunburned while stranded out of water on mudflats for 24 hours in May appears to be recovering from its injuries.

A super-hard metal is made in the laboratory by melting together titanium and gold.

A recent drought shut down the Amazon Basin's carbon sink by killing trees and slowing trees' growth rates, a first-of-its-kind study shows.

Honey hunters in Mozambique rely on the help of honeyguide birds - and a new study reveals their two-way communication.

A brain map built up from scans of more than 400 individuals has carved the "cortex" into 180 different compartments, including 97 new ones.

Twycross Zoo and the University of Nottingham are to look into why great apes are susceptible to heart disease.

South Africa's great white shark population is heading for possible extinction‚ after a rapid decline in numbers, say researchers.

June 2016 was the hottest June worldwide in modern history - marking the 14th month in a row that global temperature records have been broken

One of the biggest craters on the Moon's surface was created by an asteroid more than 250km across, a study suggests.

Its artificial intelligence division, DeepMind, has cut Google's data centres' energy consumption by 15%, using a machine-learning algorithm.

New figures show that animal experiments in UK labs are continuing at an almost identical rate to recent years.

A former UK energy minister claims the offshore wind industry in Scotland is "pretty much dead" after a legal challenge to four projects.

Britain has lost more than 70 percent of its cuckoos in the last 25 years, but tiny tracking devices fitted to some of the birds may have solved the mystery of their decline.

Britain's roads, bridges, railways, hospitals, electricity, gas, water and internet remain at risk from floods, a government review will soon concede.

Last month was the hottest ever June worldwide, and the 14th straight month that global heat records have been broken, scientists say.

An open letter to the government from UK academies representing science, medicine and engineering warns that Brexit is already harming science.

Forty-two tiny tracking devices fitted to cuckoos in the UK may have solved the mystery of the birds' decline.