Kind penguin chicks are filmed bathing in a mud "spa" to keep their large, fluffy bodies cool in the Antarctic summer.

Slow-motion footage reveals how hovering hummingbirds are able to cope with wet weather.

Two large energy firms agree to work together to develop carbon-capture and storage - if they can get the UK government funding.

The firm leading the decommission of Dounreay is given a safety award it was due to get last month before a leak of radioactive fluid.

President Obama has agreed to allow further oil and gas drilling in the Gulf of Mexico and Alaska.

The bullet-proof Nigerian dwelling made from discarded containers

An X-ray scan of Baltic amber at the University of Manchester reveals what scientists say is the "smallest arthropod fossil ever".

Oil prices could hit $150 a barrel soon, says the International Energy Agency, as it calls for more investment in low-carbon energy.