The springtime nature of May means it's a changeable month that typically packs numerous tornadoes, warming temperatures, changing wet and dry seasons and sometimes an early start to hurricane season.

A classic springtime setup will ignite bouts of severe storms in the central U.S. beginning Thursday. Here's what to know.

An asteroid that’s been hanging out near our planet has been called a mini-moon because of its orbit, and now researchers have uncovered more about where it came from.

Look closely at the rainstorm in the distance in this stunning aerial video. Do you see a second, inverse rainbow?

If your flight is canceled or excessively delayed, you'll get an automatic cash refund under final rules approved by the Transportation Department.