Decades of advances in satellite observation made it seem as though Arctic snow cover was growing, when in reality satellites ...

A UT San Antonio-led international research team has identified chitin, the primary organic component of modern crab shells ...

Earth's surface is covered by more than a dozen tectonic plates, and in subduction zones around the world—including the ...

Some 66 million years ago, life on Earth had a pretty bad day. The infamous Chicxulub asteroid slammed into the planet. The ...

A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...