The Elf Owl was so small Mark was able to hold the owl with one hand. He's so small he doesn't seem real. He looks like the ...

A rare pudu fawn was born in a biopark in Argentina earlier this month, giving scientists and conservationists a unique ...

It took the patient sleuthing of a rare books and manuscripts curator from the Newberry Library to unravel the mystery of the ...

Rare earth elements are crucial to many technologies, and scientists say the U.S. could boost extraction from domestic ...