Two new scientific papers may help unlock the mysteries of lights in the sky by looking at sky survey plates from the 1940s ...

Some of the world’s most enduring mysteries hail from the realm of ancient technology. From the towering pyramids of Egypt to the intricate Antikythera mechanism, these remarkable feats of engineering ...

Dark matter isn’t everywhere in equal amounts. Some areas of the universe are packed with it, while others have almost none.

This ‘NOVA’ installment explores the possible purposes of strange stone formations found in the Arabian Peninsula.

The seat is across from the entrance to the Villa of the Mysteries, a large property full of beautiful frescoes located just outside the ancient city's walls ...