A commercial telecommunications satellite hosts a US Air Force experimental missile-detection sensor in what is set to become a major trend this decade.

A rare giant armadillo is caught on a camera trap by researchers in the wetlands of central Brazil.

A disease that is killing greenfinches and chaffinches in the UK has spread to Europe, scientists say.

Scientists are to expand a clinical trial of a new malaria vaccine after promising results in a preliminary study in Burkina Faso.

An ever-increasing number of land deals are displacing farmers and leaving communities without livelihoods, campaigning charity Oxfam warns.

The US space agency (Nasa) says that its out-of-control climate satellite is expected to crash to Earth sometime on Friday evening (GMT).

Scientists are baffled by experiments that appear to show subatomic particles known as neutrinos have exceeded the speed of light.

The Maldives - at risk from rising sea levels - complains of a spoof Daily Telegraph blog post saying it will be omitted from the Times World Atlas.