Thawing sea ice may have opened the door, allowing the infection to cross oceans, a new study suggests.
Two people were found to have plague this week. What does the disease look like in the modern world, and why does it keep happening in New Mexico?
Deaths of gray and harbor seals, in much greater numbers than usual, have been attributed to viruses related to distemper and the flu.
Scientists analyzed 27 extreme weather events from 2016 and found that global warming was a “significant driver” for most of them. We look at five cases.
All Topics
All Countries
Any Date
Apply