Germs that cause a so-called tropical disease make themselves at home in frosty Alaska
Scientists speculate on why ancient South Americans started preserving their dead
Monster-sized Burmese python bearing record-number of eggs retrieved in the Florida Everglades
Reducing methane, soot in the atmosphere could curb climate change
Parasites show promise in treating immune disorders
Carbon dioxide is making the oceans more acidic
Oils from human skin fight off this harmful chemical, but at a cost.
With weed killer in the water, some males acquire female traits.
Farmers giving medicine to cows are accidentally poisoning vultures, again
Rivers polluted with Tamiflu could help a resistant flu strain develop in birds