Discover the mystery of Planet Nine, the elusive celestial body beyond Neptune. Explore the latest astronomical evidence and ...

All puzzles are courtesy of Jigsaw Planet. Puzzle #6. Humanity has come a long way from the stone tools our ancestors invented millions of years ago. But sometimes the simple ones are still the best.

But about 100 million years ago, the tectonic plates tiled the planet as evenly as a real-life jigsaw puzzle. "The distribution of the large plates has not always been the same," said lead study ...

While piecing jigsaw puzzles is a lot of fun, it has so much more to offer than just a good time. Read on to learn about all the ways it can benefit your brain.

The idea is this: for a table to contain every piece of a jigsaw puzzle, it should be big enough to fit that number of circles across it. That might sound strange – after all, jigsaw pieces are ...