For the third year in a row, an enormous wildfire is destroying homes and properties in California, with smaller fires raging elsewhere in the state.

The habitat overlap of polar bears and their main prey, ringed seals, is disappearing and the bears are instead getting closer to nesting birds.

Torrential rains left at least 324 people dead, and hundreds of thousands more have been made homeless.

The population of endangered killer whales has hit a 30-year-low, numbering only 75 this year.

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?

Thawing sea ice may have opened the door, allowing the infection to cross oceans, a new study suggests.

The hordes came running and the snow-white raptor became the latest celebrity bird of Manhattan. Some enthusiasts took Manhattan Bird Alert to task for revealing the bird’s exact whereabouts to 38,000 followers. By Thursday morning, the Central Park snowy was nowhere to be found.

Some 600 million Indians, about half the population, face high to extreme water scarcity conditions, with about 200,000 dying every year from inadequate access to safe water, says a government report.

Delhi’s Ghazipur landfill site set ablaze due to the release of methane gas, as there many dry leaves on the site at that time and also as the temperature in the city is very high, the leaves caught fire from the gas and set the entire landfill site ablaze. The entire area was covered with smoke.

Deaths of gray and harbor seals, in much greater numbers than usual, have been attributed to viruses related to distemper and the flu.

Soaring temperatures are melting snow and ice from Kebnekaise’s southern peak, making the northern part of the mountain Sweden’s highest point.

Many residents of Ulan Bator, Mongolia, use coal-burning stoves during the winter months when staying warm is a matter of survival. But the pollution is hazardous to their health.

With schools and parks in the city closed for the day, and hundreds of shops shuttered, many Romans took the unexpected blanket of white in cheerful stride.

The bears that come to the northern village of Kaktovik are climate refugees, on land because the sea ice they rely on for hunting seals is receding.

Forty-one whales have died in the past 15 months along the Atlantic coast from North Carolina to Maine. Ten of the whales were killed by collisions with ships.On average, eight humpback whales are stranded each year and fewer than two are hit by ships.

In February, spring peepers made my ears ring as I walked through wetlands east of Nashville’s honky-tonks. These frogs were a month ahead of their normal schedule.

Lake Hopatcong, normally buzzing with swimmers and water skiers, is filled with cyanobacteria in quantities never before recorded.

New rules to combat sea lice have angered Norway’s important aquaculture industry. But environmental groups want to go much further.

An unusually wet year is responsible for the biblical-seeming swarm of pallid-winged grasshoppers, according to entomologists.

As the state’s shrimp fishery is closed for a fifth year, scientists blame climate change, shrimpers fret and locals mourn a beloved treat.