Science

Mystery of Minnesota's disappearing moose closer to being solved
The Minnesota DNR is wrapping up a landmark five-year investigation of the causes of the state's declining moose population, which has dropped 65 percent since 2006. The reasons are complex and research is ongoing, but wolves and deer play a role.
Iceland is using more energy on bitcoin than it is on its homes
It takes massive amounts of electricity to run the computers that create bitcoins, and large virtual currency companies have established a base in Iceland, which is blessed with an abundance of renewable energy.
Smartphone detox: How to power down in a wired world
In an era when many kids get a first smartphone at age 10, psychologists say the devices have turned us into Pavlov's dogs -- drooling for the next notification, buzz or text. Ready to dial back?
Watch: SpaceX successfully launches most powerful rocket in decades
The private space company has launched the Falcon Heavy, a rocket more powerful than any other in use today. It's now bearing a roadster into an elliptical Earth-Mars orbit. Watch the rocket's flight.