Wildfires across the western United States and Canada have put millions of people under air quality alerts, as thousands of firefighters battle the flames.
Wildfires have burned more than 100,000 acres in Los Angeles and Ventura Counties. Fighting them were professionals and homeowners with garden hoses.
The Southwest U.S. is experiencing its first heat wave of the season with temperatures soaring to potentially record-breaking highs over 110°F, posing risks to residents and prompting heat warnings.
A powerful blizzard raged in the Sierra Nevada as the biggest storm of the season shut down a long stretch of I-80 in California.
A potentially dangerous dog virus is spreading among animals in the Wilmington area.
Fiona, now a post-tropical cyclone, made landfall in Canada Saturday morning. Some two-thirds of Nova Scotia and all of Prince Edward Island are without power.
It has been a grim spring for tornadoes in the U.S. April had the second-highest number of tornadoes for that month on record in the country. While tornadoes are not unheard of in Maryland, they are relatively rare — especially outbreaks of the volume seen Wednesday night.
Rescuers in boats, helicopters and high-water trucks brought hundreds of people trapped by Hurricane Ida's floodwaters to safety Monday and utility repair crews rushed in, after the furious storm swamped the Louisiana coast and ravaged the electrical grid in the stifling, late-summer heat.
Two key factors that govern the Arctic ecosystem are rapidly changing: ice and light. The Arctic is the fastest-warming place on earth, and ice that used to form on the surface of the ocean is vanishing.
When a scientist went to an uninhabited island in Nunavut to set up a research station he stumbled across something else: dozens of dead caribou.
Science has confirmed what fishermen in Clyde River, Nunavut, have been saying for decades: Atlantic salmon do make their way to the hamlet on Baffin Island north of the Arctic Circle.
Burned area data show that there was an unusual amount of fire activity in the 2020 fire season in northern Siberia (north of 65 degrees). This fire activity was associated with severe summer drought that led to extreme fire behavior and long-duration fires.
In the earliest breakup since the contest began in 1917, the Nenana Ice Classic Tripod fell early this morning.
Denali receives a foot of snow in mid-winter storm. Interior areas, including Fairbanks, also received high amounts of snow.
Intense heat and water shortages raised fears of disease outbreaks in flood-hit western Japan on Thursday as the death toll from the worst weather disaster in 36 years neared 200. More than 200,000 households had no water a week after torrential rains caused floods and set off landslides across western Japan, bringing death and destruction to decades-old communities built on mountain slopes and flood plains. The death toll rose to 195, with several dozen people still missing, the government said on Thursday.
The storm presents an amazing contrast from a possible world-record high-pressure zone over Mongolia.
Some beaches in the northeastern United States are dealing with more than the threat of COVID-19 this holiday weekend. They have to contend with an unwelcome visitor: the Lion's Mane jellyfish.
A large lion's mane jellyfish was found on the shore on Peaks Island, Maine, over the weekend that measured in at a whopping five feet.
Searing temperatures, which have been as high as 113 degrees, were below 100 on Thursday, but a sense of panic and crisis persisted in the city.
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