A huge skeletal hand has been found on a beach - and the couple who discovered it are fearful it could belong to an alien. Leticia Gomes Santiago, and her boyfriend Devanir Souza, were strolling along ...

Captured through the powerful lens of X-ray telescopes, the ethereal expanse of a pulsar wind nebula is revealed in unprecedented detail. Reading time 2 minutes Move over, Pillars of Creation—there’s ...