The American Bullfrog is native to the Eastern United States and southern maritime provinces of Canada. It has famously spread west and now north in recent decades.

A magnitude 6.4 earthquake rattled a remote region of Alaska's North Slope southeast of Prudhoe Bay Sunday morning. The state seismologist called it the biggest quake ever recorded in the region.

A 10-year study on the Pajarito Plateau shows a 73 percent decrease in abundance and a 45 percent decrease in variety of species.

Brazilian and North American meteorologists both agreed it was snow that was seen falling in parts of Uruguay on Sunday, August 19, 2018. Since Uruguay is located within the temperate zone of the tropic of Capricorn, the country has warm summers and ...

Unusual Stellar sea lion (Eumetopias jubatus) sighting in Utqiaġvik.

Wood frog sighted on trail.

Fewer wasp and mosquito interactions in Anchorage in 2018 than typical.

The “thermal curtain” is another expression for “cold pool” that acts as a barrier to keep some species—pollock and Pacific cod, for example — from migrating across the eastern Bering Sea shelf and northward toward the Bering Strait. For the first time in 37 years of surveying the Bering Sea, we could not find the cold water barrier.

Unidentified beetle pupa found near camp on a river bank.

Stantec engineering designed the plans for pumping water from the Apex River to Lake Geraldine, the city's reservoir, which has lower water levels than in years past.

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

The British Columbia government has declared a state of emergency to support the provincewide response to the ongoing wildfire situation.

Marine mammal experts are testing tissue samples for a potential common cause of the surge in carcasses found on the state's beaches this year.

High concentrations of Polychlorinated Biphenyls found in blue mussels.

Carcasses examined so far have shown no indication of disease, and tests are pending for harmful algal toxins. Seabirds have been found emaciated and starved, and changed ocean conditions may have affected prey.

Buckled train tracks, fires and thunderstorms are causing major problems for the country's railways, Thursday.

Grasshopper seen in area with typically few sightings

Sightings of great egrets have been reported for decades, but sightings this summer confirm the first time the species has nested in Finland.

We have visited this creek every summer for 10 years, since 2008, including every August, and we have never seen the water this low.