If you’re like me then you have files of digital pictures on your computer that you have been meaning to print out and frame. The only problem is that printing the pictures is the easy part, then ...

As Earth warms, much of the extra heat is stored in the planet’s ocean — but monitoring the magnitude of that heat content is a difficult task. A surprising feature of the tides could help, however.

A small but evolving dent in Earth’s magnetic field can cause big headaches for satellites. Earth’s magnetic field acts like a protective shield around the planet, repelling and trapping charged ...