Dark matter is thought to make up a little over a quarter of the universe, but it has never actually been detected. Researchers repurposed an experiment originally intended to detect gravity, which ...

Magnetic floating stackers have been recalled over concerns that the magnetic pieces of the toys could be ingested by children, officials said Thursday. According to a news release issued by the U.S.

I HAVE no intention of discussing the beautiful experiments of Prof. A. M. Meyer on floating magnets; but as a privately expressed opinion of mine has appeared in NATURE, vol. xviii. p. 260, I feel ...

Here's what you'll learn when you read this story: What we think of as 'the unknown' isn't always some hypothetical wormhole or alternate dimension. A lot of times, the 'unknown' is something real, ...