Graphs can also be used to evaluate more complex expressions, such as those involving multiple functions or operations. The ...

The interstellar comet 3I/Atlas reached its closest point to the sun. Here's how to follow the rest of its journey away from ...

A major solar storm has been pummeling Earth's magnetic field Thursday, raising the risk of power grid problems and satellite glitches.

Believe it or not, highway numbers actually make sense. Here's the logic behind odd and even routes, and why the system isn't ...