Speeding around the Earth at 28,000 km/h, NASA astronaut Nichole Ayers captured an incredible view of a phenomenon known as a red sprite. Here's the science behind this 'transient luminous event'.

Billions of cicadas are expected to start swarming in more than a dozen states in the coming weeks, and while the strange occurrence may be a nuisance for many, scientists say the activities of the ...

"Together we witnessed the amazing phenomena of Kinder Downfall becoming the Kinder upfall." Kinder Downfall being blown uphill. A walker described seeing a waterfall flowing backwards as high winds ...