New Scientist

Rats have long wreaked bloody devastation in the wildlife haven of South Georgia – now conservationists are planning brutal retaliation

A new material based on nanotubes matches the efficiency of solar cells – but scavenges power from heat leaking from hot pipes, not sunlight

What is it about the museums that seems to draw art photographers to them? New Scientist asked three to explain why in an online gallery of their work

There's no shortage of designs to convert wave energy to electricity – now they're proving their worth at sea

Europeans import nearly twice as much carbon dioxide per head as US citizens – but the US is still the world's largest emitter

It turns out carbon dioxide levels at the time of the Ordovician ice age were not that high after all

An expanse of seabed is leaking the greenhouse gas into the air, rekindling fears that global warming might unlock billions of tonnes of the stuff

Even our best models would fail to predict whether Earth's magnetic field will flip, exposing us to space radiation

Fission is unsafe and fusion is decades away, but put them together and the problems melt away, say Julian Hunt and Graham O'Connor

The reputation of climate science is taking a battering, but don't just blame the media or closed-minded sceptics, says Jim Giles

Fears over weapons proliferation has led the Obama administration to blow hot and cold over novel, safer more efficient designs

Beleaguered climate scientist Phil Jones from the University of East Anglia yesterday answered critics before a British parliamentary committee

How should beleaguered climate scientists advance their cause? They shouldn't, argues veteran meteorologist Alan Thorpe

The loss of a huge tongue of ice off east Antarctica could affect local marine life and global ocean currents

Previous earthquakes in Chile have sent devastating waves right across the Pacific, so why didn't the most recent one?

Geologists will be watching for increased levels of volcanic activity caused by the powerful quake that struck Chile

Where do twisters come from? New Scientist rides shotgun with the storm chasers to find out

The Greener Gadgets design competition aims to inspire more eco-friendly consumer products – see the winners and shortlisted entries in our gallery

The Californian company has grabbed the headlines, but fuel cells are already sparking a new era in energy

Dams of ice that usually plug straits leading out of the Arctic Ocean are failing to form, letting sea ice escape to the Atlantic and Pacific