The latest data on respiratory illness in the United States shows that shoppers and merry-makers are spreading more than just holiday cheer: They’re also passing around germs. In many cases, it’s a ...

So far, just 36 percent of U.S. children have been vaccinated—down 23 percent from a half-decade earlier, likely due to ...

The summer solstice marks the start of astronomical summer and the longest day of the year. Here we explore when the summer ...

With the polar vortex catching all the buzz in recent weeks, federal forecasters say our old friend La Niña is still a major ...

North Texas is already feeling like winter so far this month, but the traditional start to the season hasn’t quite reached us yet. Here’s when to expect that milestone, as well as a glimpse at the ...

When is winter? Weather forecasters in the Northern Hemisphere will tell you Dec. 1 through the end of February, which is ...

Over the past year, several hospitals have earned new trauma center designations, expanding access to emergency care in their communities. At the same time, others have chosen to downgrade or close ...

A transition into neutral and even an El Niño status in 2026 will have significant climate impacts across the U.S. and around ...