When I watch the World Cup, I always think about set pieces. This is when the ball is placed at a certain spot and a team is allowed to then kick the ball (called a free direct kick). If this kick ...

You know I like to use pictures for data from time to time, right? One problem is that I don't know much about cameras. There, I said it. Really, almost all of my photos are made with my phone. That ...

The article explores the challenge of visually detecting variations in the Moon's apparent size, which are caused by its changing distance from Earth during perigee and apogee, amidst perceptual ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. Total solar eclipses are possible on Earth, and occur whenever the Moon ...

THE existence of a source in the Crab Nebula with an angular diameter of less than 1 sec of arc has been revealed by observations of interplanetary scintillation at a frequency of 38 Mc/s (ref. 1).