You can’t do this kind of time lapse on your iPhone. A University of Arizona professor is hoping to capture the changes of a Tucson landscape over the next thousand years, setting up a primitive ...

The simplest way to project an image onto a screen is with a pinhole. What the heck is a pinhole? It's a hole so tiny it has to be made with a pin. See, science isn’t that hard. People have been ...

A solar eclipse is a rare and spectacular celestial event. It happens when the Sun, Moon, and Earth align so that the Moon passes between the Sun and our home planet, blocking some or all of the Sun's ...