The Chernobyl nuclear disaster was a catastrophe that changed the course of human history, and now, new discoveries reveal the real reasons behind the explosion that spawned a deadly radioactive ghost town and brought down an empire.

NASA's Space Shuttle Challenger was a deadly disaster that changed the course of space exploration forever, and now, new discoveries reveal the truth behind the structural failure that tore the rocket apart.

New discoveries are challenging everything we know about the sinking of the Titanic, revealing that the disaster wasn't caused by a freak accident and that it may have been doomed from the start.

After torrential rainfall triggers a catastrophic landslide, a small village in the valley below is devastated, and now, new discoveries reveal the truth behind the engineering that led to this fatal disaster.

When a cruise ship meets disaster, the ship begins to sink and the captain flees, leaving 300 passengers stranded; now, new discoveries reveal the fatal truth behind the devastating wreck that claimed 32 lives.

The Concorde was the supersonic passenger plane that could fly from New York to London in under four hours. But after a fatal accident kills 100, experts reveal a secret history of the iconic aircraft that led to this devastating.

Hurricane Katrina is one of the worst natural disasters to ever strike American soil, but as the storm revealed widespread construction failures, it's a tragedy of engineering, too; the latest science reveals how.

After a high-speed collision of three trains during rush hour in London causes dozens of deaths, experts use the latest tech to investigate what caused this catastrophic crash; what they find could hold the secrets of preventing future disasters.

When a series of accidental explosions erupt at a chemical factory, they completely destroy the area nearby, and now, new discoveries the real reasons behind the deadly chemical fireball that left a giant crater where there was once a building.