Consultation on 'UK space agency'
The science minister launches a consultation on whether the UK should have its own dedicated space agency.

Why raindrops come in many sizes
Slow motion footage of a single falling raindrop shows scientists exactly why the drops are so many different sizes.

UK set to take back Brazil waste
The UK is working with Brazilian authorities to organise the return of more than 1,400 tonnes of British toxic waste.

Tuvalu vows to go carbon neutral
The tiny Pacific island state of Tuvalu says it wants all its energy to come from renewable sources by 2020.

Samsung to invest in green future
Samsung Electronics plans to invest billions in green technology and the development of more energy-efficient products.

Astronauts on ISS spacewalk
Astronauts from the shuttle Endeavour complete the first of five spacewalks at the International Space Station.

New images of Moon landing sites
A US spacecraft takes pictures of Apollo landing sites on the Moon, showing footprints and hardware left behind decades ago.

Clinton in US-India climate plea
Visiting US Secretary of State Hillary Clinton says she hopes the US and India can tackle climate change together.

Half a brain does not stop near-perfect vision in one eye
Scientists solve the mystery of how a girl born with half a brain has near perfect vision in one eye.

On Eagle's wings
How Nasa plans to take man to the Moon the next time

Mapping Yosemite
Tracking some of the world's oldest and tallest trees

Harrabin's Notes
Are rich nations failing to deliver on emission cuts?

Unfinished work
The scientific imperative to return to the Moon

Fergus on flu
Mixed messages on swine flu advice and pregnancy

Home energy saving pays its way
Why a "pay as you save" scheme could be the most feasible way to encourage people to cut their energy consumption.

Do tiger farms earn their stripes?
Senior tiger investigator Debbie Banks on a thriving black market for tigers, and why farming the animals does not help.

Indian tiger park 'has no tigers'
One of India's main tiger parks admits it no longer has any tigers.

Cheetahs put through paces
Scientists try to discover what makes cheetahs so fast.

India Moon probe 'malfunctions'
India's first mission to the Moon suffers from a technical problem, space research officials in India say.

Thalidomide lung cancer 'failure'
Controversial drug thalidomide does not improve survival for patients with a form of lung cancer, a study finds.

Ex-astronaut Bolden to lead Nasa
The US Senate has confirmed Charles Bolden as the new administrator of the American space agency (Nasa).

Killer parasites' genes decoded
Scientists have decoded the genetic blueprint of a parasitic worm responsible for thousands of deaths worldwide every year.

Men emerge from Mars test
Six volunteers emerge after spending three months in a capsule designed to test the isolation of a trip to Mars.

Cloned sniffer dogs begin duties
The world's first cloned sniffer dogs, all called Toppy, report for duty in South Korea.

Shipping emissions plan 'stalls'
Plans to reduce rising emissions from global shipping have faltered at a key international meeting.

Jumbo squid menaces San Diego
Scuba divers off the Californian city of San Diego report unnerving encounters with large numbers of Humboldt squid.

Cave record of Britain's pioneers
Cheddar Gorge is shown to be one of the first places ancient Britons re-colonised towards the end of the last Ice Age.