The event, which offered a total of $5,000 to 10 teachers, had fans cheering. But it also sparked criticism for turning teachers' need to pay for classroom supplies into a public spectacle.

The link between tornadoes, like the ones that hit Kentucky over the weekend, and climate change isn't as clear as it is for other extreme weather events, though scientists say the clues are there.

Although the moon will brighten up the sky and make it harder to see the Geminids this year, astronomers say from about 2 a.m. to sunrise, no matter your time zone, will be prime viewing time.

Tornadoes over the weekend destroyed entire communities in Kentucky while leaving thousands homeless. People were also killed in Illinois, Missouri, Arkansas and Tennessee.