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 ...

Scientists discovered a phenomenon created by a black hole merger. They believe the merger took place when two black holes collided as they passed by each other, creating something we've never seen ...

Add Yahoo as a preferred source to see more of our stories on Google. Heavy rain in the outback has awoken living fossils hiding in the dirt. We've just come out to have a bit of a look around at one ...