After more than 20 years, NASA today said goodbye to the Cassini space probe and sent it plunging into Saturn's atmosphere to burn up. It was the end of a remarkable mission that revealed deep secrets of the ringed planet and its many moons.
Florida utility representatives say parts of the state will require a "wholesale rebuild of our electrical grid" after Hurricane Irma left millions without power. How can Florida and other states build electrical grids that are resilient to natural and other disasters?
Not long ago, the most popular explanation for any dangerous teenage behavior was raging hormones. Fast-forward a few years and the explanation changed: The teenage brain is actually biologically different. A teen’s prefrontal cortex is less developed than in adults. Now, a new study from the University of Pennsylvania suggests your teen’s bad decisions are driven by something else entirely.
The Voyager probes have sent messages about our solar system back to Earth for 40 years. They also double as messengers: Each carries a copy of the iconic Golden Record, a phonograph packed with data and messages about human beings. As their power runs down and they eventually cease returning data to Earth, their only functional purpose will be to send that Golden Record out into space.
We all live in a highly complex ecosystem of microbes, some of which we unwittingly create and nourish, others of which are just happy to use our surroundings to make their homes — and scientists know surprisingly little about how this microbial soup affects us.
Who doesn't love a good zoo? The animals, for one. Many of the most popular attractions at zoos are animals like tigers and bears, who are particularly prone to boredom and depression when cooped up. That's why some people want to close traditional zoos and take a different approach.
Whether it’s driving five miles over the speed limit or breezing past a stop sign on your bike, chances are, we have all broken a few — or more — rules of the road. When it comes to obeying traffic laws, “we’re all criminals,” says the author of this survey.