Discover the meaning of 'visibility' in weather science and how it's measured using modern technology and observer techniques ...

It’s a myth that has persisted for years: the Great Wall of China is the only man-made object that you can see from the Moon without assistance. Even if you haven’t heard this myth, I’m sure you’ve ...

Star Wars and Star Trek used invisibility cloaks to hide spaceships. Harry Potter used his invisibility cloak to sneak into places at school. Trying to cloak something and make it invisible has always ...

Tuesday night, a rare triple fly-by of space objects will occur, and should be visible to many in Oklahoma. Looking to the southeast, about a quarter of the way above the horizon, the “Jules Verne” ...

There has been no shortage of column inches devoted to invisibility cloaks since engineers built the first one back in 2006. This was an impressive device but it had some important limitations, not ...