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.
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.
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.
A recently published study has concluded that rising methane levels may not all be due to human activity.
Make the most of the Caribbean on your next vacation - it won't be around for ever.
Obesity could be - quite literally - contagious, say Yale scientists, who have discovered that it can be triggered by changes in microbes in the stomach.
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.
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.
A species of giant tortoise long thought to be extinct now appears to be alive and well.
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.
Researchers at Yale and the University of Texas say they've made a computer schizophrenic - causing it to claim responsibility for a terrorist incident.
The size and shape of the human cerebral cortex - responsible for all conscious thought - is largely determined by mutations in a single gene.
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.
New observations have indicated that there are three times as many stars in the universe as previously believed.
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.
A Yale University team has successfully implanted laboratory-made lung tissue into rats - which were then able to use it to breathe.
Scientists at Brookhaven National Laboratory say they have broken one of the laws of nature.