Voters are more likely to pick a candidate with a deeper voice, regardless of the speaker's gender, says a study.

Orb-weaving spiders avoid sticking to their own webs because of the way they move, say scientists.

The Niger government formally decrees almost 100,000 square kilometres of desert to be a protected national reserve.

Can we use machines to build a superhuman?

Sri Lanka's potential oil reserves attract global interest

The number of incidents involving the poisoning of birds of prey fell by more than half in Scotland last year, the government reports.

Pressure from animal rights activists on airlines and shipping companies is reducing the number of animals being brought into Britain for research, meaning people will "suffer and die", scientists warn.

The remains of what may be a previously unknown human species living just 11,500 years ago are identified in southern China, although the science team behind the discovery is stopping short of a formal classification.