
Explore the cutting edge of human achievement. Journey to the deepest reaches of space. Dive into the mysterious physics of quantum realms. Fly with astronauts into hostile extraterrestrial realms.

Venus' surface is twice the temperature of a pizza oven; yet engineers push the boundaries of science to build probes that can deliver data from the depths of this crushing inferno; experts describe their battle strategies and technologies.

Astrophysicists at the forefront of the search consider the possibility of finding a planet like Earth among any of the bodies discovered by a new space-based telescope.

Witnessing Hurricane Ida's devastation as it reduces Louisiana to rubble; following a man running for his life from California wildfires; facing a deadly sea swirl with a Norwegian ship crew; looking for a snow kiter engulfed by an avalanche.

Rescuers aid a young girl trapped under rubble after a Turkish earthquake, all while a tsunami threatens to add to the turmoil; a father and daughter escape Oregon wildfires; a flash flood upstages an outdoor wedding.

Molten lava devours homes and lives when a volcano erupts on La Palma; an entire U.S. town submerged by endless downpours; colossal ice boulders in Italy.

An Ontario man flings into a tornado; a helicopter and jet ski rescue team go into an intense flood; an avalanche crashes a party; an adventurer survives being trapped upside down in a raging river in Papua New Guinea.

The 2011 Super Tornado carved a mile wide path of destruction through Joplin, Missouri.

In 563 AD, Geneva was destroyed by a tsunami, and it could happen again.