'Dino-killer' asteroid nearly saw off snakes and lizards too

The asteroid collision that killed off the dinosaurs 65.5 million years ago also nearly wiped out snakes and lizards - including a newly-identified species of lizard named for President Obama.

Team traces evolution from feathered dinosaurs into birds

The first wings on feathered dinosaurs were pretty useless, new research shows, meaning they'd have found it hard to take off and fly at low speeds.

Citizen scientists find planet with four suns

Two amateur astronomers have discovered the first example of a planet orbiting twin suns that is itself orbited by a second distant pair of stars.

Diseased trees may be a source of global warming

A recently published study has concluded that rising methane levels may not all be due to human activity.

Next supercontinent will form at North Pole

Make the most of the Caribbean on your next vacation - it won't be around for ever.

Obesity could be catching

Obesity could be - quite literally - contagious, say Yale scientists, who have discovered that it can be triggered by changes in microbes in the stomach.

Plastic-eating fungus could help deal with landfill

A team from Yale University has discovered a fungus deep in the South American rainforest that can live entirely on plastic - offering hope for new methods of waste disposal.

US set to be hit hardest by tropical cyclones

Tropical cyclones will cause $109 billion in damages by the end of the century, according to Yale and MIT researchers, because of economic growth as well as climate change.

Not extinct, just hiding: search for giant tortoise begins

A species of giant tortoise long thought to be extinct now appears to be alive and well.

Desalination could be made cheaper, says team

Desalination of seawater could be the best way to solve the world's water shortage, say Yale researchers, who have come up with ways to improve its efficiency.

Scientists give computer schizophrenia

Researchers at Yale and the University of Texas say they've made a computer schizophrenic - causing it to claim responsibility for a terrorist incident.

A single gene may have shaped human cerebral cortex

The size and shape of the human cerebral cortex - responsible for all conscious thought - is largely determined by mutations in a single gene.

New materials have steel's strength and plastic's moldability

Yale University scientists say they've come up with a set of new metals that are stronger than steel but as easy to mold as plastic.

Universe may hold three times as many stars as thought

New observations have indicated that there are three times as many stars in the universe as previously believed.

Americans hazy on climate change, says report

Most Americans have a very poor understanding of climate change, according to Yale University researchers, who grade 52 percent as deserving an 'F' on the subject.

Living, breathing lung tissue created in the lab

A Yale University team has successfully implanted laboratory-made lung tissue into rats - which were then able to use it to breathe.

'Law of nature' broken, say physicists

Scientists at Brookhaven National Laboratory say they have broken one of the laws of nature.