Warm, dry weather leads to a significant rise in the numbers of rare butterflies in the UK, a study suggests.

The polar bear evolved from the brown bear about 600,000 years ago, according to new genetic data.

Scientists say the notoriously dry continent of Africa is sitting on a vast reservoir of groundwater.

A blogger highlights the issue of new, unused electronics waste piling up in one of China's most polluted towns.

Europe's troubled flagship Earth observer, Envisat, is pictured by another spacecraft flying just underneath it.

Researchers prove a novel method of determining whether atmospheric CO2 was created by natural sources or by the burning of fossil fuels.

Government plans to cull badgers in England are to to be reviewed in the High Court following a legal challenge by the Badger Trust.

A group of high school students in California have launched a rubber chicken to the edge of space, all in the name of science.