
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.

A dramatic repair mission gives the Hubble Space Telescope another chance to capture stunning pictures like only it can.

A record-breaking cyclone wrecks South Pacific islands; a cruise ship becomes stranded in a storm; two friends get caught in a deadly avalanche.

Hurricane Florence causes biblical-level flooding in North Carolina; a magnitude seven earthquake rocks Anchorage, Alaska; a colossal wave swamps a surfer in Nazaré, Portugal.

Wildfires devastate the seaside village of Mati in Greece; monster hail pummels tourists and zoo animals in Colorado; hikers in Turkey fight for survival after they're stranded by a flash flood; a tornado rips off roofs and catapults cars in Canada.

Hurricane Michael rips across the Florida panhandle, trapping a storm chaser; the UK coast guard battles gale force winds to save fishermen stranded on the hull of their capsized trawler; an adventurer suffers extreme heat stroke in the Gobi Desert.

As the deadliest wildfire in Californian history tears across the state, one man battles the flames in a bid to save his home; a tornado tears apart a woman's home in Arkansas; in Uruguay, a helicopter rescue team tries to reach a trapped canoeist.

A twister traps teachers and pupils at an American school; wildfires rip across the moors in the north of England; in Argentina, a trek nearly ends in tragedy for a group of hikers; in Africa, a man is on a mission to descend into a volcano.

The Northern Lights tells the story of the makeup of the planet, the sun and possibly life on other planets.