Interbreeding between Burmese and Indian pythons in South Florida might have resulted in what geneticists call "hybrid vigor." One result is that the snakes seem to have adapted to both swamps and high, dry ground.
“What breed is he? is often the first question people ask about a dog, but the answer is often terribly inaccurate,” said the author of a new genetic study of shelter dogs.
Death is inevitable for individuals and also for species. With help from the fossil record, paleontologists are piecing together what might make one creature more vulnerable than another.
By studying the magnetic record left behind in earthly rocks, researchers found a magnetic field reversal - where magnetic north became magnetic south - lasting only 2 centuries.
Do your skies look hazy? Are your sunsets very orange, or layered-looking, or does the sun or moon look orange while high in the sky? If you're in the northern U.S. or Canada, the reason is still wildfire smoke.