exotic objects

Capturing gravitational waves from unknown objects
Intense space-time ripples from the collision between a neutron star and a mysterious object have puzzled scientists.
This round ball is one of the special creation that scientists have discovered
The name is also somewhat ... creepy.
Mysterious treasures in Roman town buried with jewels, dolls and miniature skulls
Massimo Osanna, Pompeii's website manager, announced the news of this mysterious treasure to Italian media last day.