VANCOUVER — A meteor that NASA says soared across the night sky above Metro Vancouver at about 100 times the speed of sound set off a fireball, a sonic boom and an explosive response online.

Turbulent plasma near distant stars could blur ultra-narrow signals before they leave their home star systems - making them difficult to detect.

Amid the global seduction of using AI in all aspects of work, the military is now leaning on AI tools to carry out the ugly business of war ...

XANTOLO: A CELEBRATION OF LIFE, DEATH AND MEMORIES by Patricia Morales-Cano ...