The government says there are no plans to make it compulsory for all UK residents to be on the national DNA database.

The mystery behind the bizarre tree rubbing rituals of North America's grizzly bears may be solved.

Probes into the UK's recent foot-and-mouth outbreak find the virus was in a pipe on a nearby laboratory site.

A judge calls for the entire population of the UK and all visitors to be placed on the national DNA database.

The BBC cancels plans for Planet Relief, an awareness-raising TV special, following a debate on impartiality.

The US space agency's venerable Voyager mission is celebrating its 30th anniversary.

Regulators are due to make a decision on whether to allow human-animal embryos to be used for research in the UK.

A single gene can keep in check the body's tendency to pile on fat, scientists show.

Dog-walking could be having a dramatic impact on local bird life, a study suggests.

A plane flown by record-breaking US adventurer Steve Fossett is missing in Nevada, officials say.

A study of 7,000-year-old pig remains gives new insight into the migration of Middle Eastern people into Europe.

European Union plans to reduce the climate impact of aviation will not work, UK researchers conclude.

Rebels in the DR Congo take control of large parts of Virunga National Park, home to rare mountain gorillas.

Men look for beauty, while women go for wealth when it comes to assessing future partners, researchers say.

The world risks losing many of its rare livestock breeds unless conservation steps are taken now, a study warns.

How the changing landscape of the UK's urban areas is driving hedgehogs out of our cities.

A team of astronomers from the US and the UK obtain some of the clearest pictures of space ever taken.

An international team of scientists have discovered the first gene that influences a person's height.

National parks in Africa are failing to protect wildlife within their boundaries, a study suggests.

Women place a big emphasis on kissing, while men just see it as a route to sex, researchers say.

The government is raising billions of pounds more in green taxes than it needs to cut the UK's "carbon footprint", a report says.

Erosion and climate change could release a vast volume of carbon from the UK's peatlands, a study finds.

This summer looks to have been the wettest since records began, according to Met Office figures.

An island of ice the size of Manhattan has drifted into a remote channel and jammed itself in.