A Major Time Travel Perk May Be Technically Impossible
We could, in theory, go back in time. But no matter what we do, the past will likely always lead to the same future. ...read more
We could, in theory, go back in time. But no matter what we do, the past will likely always lead to the same future. ...read more
The biggest geomagnetic storm in recorded history happened more than 150 years ago. Now, we’re entering yet another period of solar maximum. ...read more
The expansion of trees into grasslands has caused a host of economic and ecologic issues worldwide. These Nebraska landowners figured out a solution. ...read more