The mass extinction that wiped out the dinosaurs was triggered by a massive asteroid that slammed into Earth 66 million years ago. But what triggered the asteroid? Harvard physicist Lisa Randall thinks the answer may be dark matter. Randall is an expert on particle physics and cosmology, and the author of “Dark Matter and the
Containing intricately carved concentric circles, the Towie Ball is one of the finest Neolithic stoneworks ever discovered; using cutting-edge imaging technology, experts investigate the enigmatic purpose behind this 5,000-year-old black stone mystery.
A traffic camera captures a devastating explosion after two trucks collide during rush hour in Hangzhou, China. With the truck reportedly carrying only paint and paperwork, investigators are left scrambling for answers. Was it a dangerous chemical reaction, a terrorist attack, or something else entirely? Watch as experts analyze the footage frame by frame to
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