More than 100 million people in the central and eastern U.S. are being urged to prepare for a potentially dangerous multiday ...

This year, portions of 13 states may be impacted by Brood XIV, the second-largest periodical brood of cicadas, according to the University of Connecticut.

Locals reported hearing a 'huge roar' before the tremors arrived, waking residents up during the early hours. It is the ...

The new map shows where volcanic ash would fall in the event of a Yellowstone supereruption, with the supervolcano's last ...

President Donald Trump imposed sweeping 25% tariffs on all steel and aluminum imported into the United States Wednesday, a policy aimed at leveling the playing field for US manufacturing but a move ...

Hummingbirds are on the move back to the United States after spending the winter in Mexico and Central America. Here's how you can track them.

Greenland covers an area about three times the size of Texas and is home to 56,000 people, mostly Greenlandic Inuits.

The assault, which the mayor called the largest on Russia’s capital since the war began, was a reminder of Ukraine’s power to ...

Medicaid covers nearly half of all births in the U.S. and 80 million children. But the age and working status of recipients ...

Here's what's at stake as Ukrainian and US officials prepare for crunch talks this week in Riyadh, Saudi Arabia.

Four separate fires blanketed Long Island’s East End Saturday, as thick black smoke filled the sky, threatening homes ...