Intense wildfires in western Canada have sent plumes of smoke across North America, and fires in Oregon, Idaho and Calif...

3 months ago

Research into the bird flu outbreaks on dairy farms describes how efficiently the virus has spread between cows and from...

3 months ago

Sunday’s record as the hottest day ever recorded on Earth lasted only until Monday, as the planet broke records back-to-...

3 months ago

Visitors were left running for safety at Yellowstone National Park after a hydrothermal explosion sent rock and steam sp...

3 months ago

Sunday was the hottest day ever recorded on Earth, according to the EU's Copernicus Climate Change Service. The average ...

3 months ago

The northern lights may be visible Tuesday and Wednesday over several northern states, from New York to Idaho.

3 months ago

Arizona public health officials are warning that hantavirus, a virus spread by rodents to humans, is causing an increase...

3 months ago

The U.S. is making cuts to its greenhouse gas emissions as clean energy booms — but not enough to hit the target set und...

3 months ago

Seven deaths in Texas caused by Hurricane Beryl were the result of heat exposure because of widespread power outages.

4 months ago

The heart of fire season is still weeks away, but more than twice the usual acreage has burned in California for this ti...

4 months ago

Four hikers have died due to heat in state and national parks this month, with several more heat deaths suspected.

4 months ago

U.S. cases of bird flu have been relatively mild and limited to farm workers who handled sick animals – a sign the virus...

4 months ago

A 150-million-year-old, 20-foot-long Stegosaurus skeleton that is nearly complete sold at an auction for a record $44.6 ...

4 months ago

Melting ice is slowing Earth's spin and causing changes to its axis, new studies find. The shifts are causing feedback b...

4 months ago

The annual Perseid meteor shower — often one of the best of the year — has begun and will peak the night of Aug. 12.

4 months ago

Scientists have confirmed a cave on the moon, not far from where Neil Armstrong and Buzz Aldrin landed, and suspect ther...

4 months ago

Record hot temperatures over the past week have turned the Las Vegas valley into a giant oven.

4 months ago

Wind power generated more electricity than coal in the U.S. in March and April, a sign that the setbacks offshore wind f...

4 months ago