A 280 million-year-old lost world was accidentally discovered by a woman while hiking in the Italian Alps. Claudia Steffensen ...

It was a week of fire and ice. It began with millions of people across the U.S. shivering amid blizzard conditions and frigid air that lasted for days, thanks to a jet stream that slips out of its ...

NASA confirms that 2024 was the warmest year on record, with a temperature 1 degree Celsius higher than the 20th-century ...