A new NASA space observatory is scheduled to launch into orbit this week on a lofty mission to map more than 450 million ...

Scientists have uncovered “Quipu,” the largest known galactic structure, stretching 1.4 billion light-years. This discovery ...

The $488-million mission is set to map the sky in 102 colors of light, probing cosmic inflation, galactic ices, and the history of the universe’s first light.

The go-to source for physical puzzles is Puzzle Masters in Canada. They have everything, including lots of Japanese puzzles: Puzzle boxes, puzzle locks, jig saw puzzles, rubik’s cubes of all varieties ...