Another hospital will be turning away expecting moms and their unborn babies. UPMC announced its hospital in Coudersport — ...

The likelihood of 2024 YR4 colliding with the our planet in 2032 have ticked up to over 3 percent. Is it time to start ...

Two weeks ago, when Ars first wrote about the asteroid, designated 2024 YR4, NASA's Center for Near Earth Object Studies ...

In which we get to know our favorite writers better by exploring the sacred and mundane.

There is several things to do at Saguaro National Park located in Tucson Arizona. Beyond activities, the park itself pro ...

Thousands of climbers attempt to summit the roof of Africa each year. Here's what it's like to be one of them.