Content from BBC Studios Science Unit

Days after 9/11, letters containing fatal anthrax spores spark panic and tragedy in the US. This documentary follows the subsequent FBI investigation.

What happened after Einstein fled Nazi Germany? Using archival footage and his own words, this docudrama dives into the mind of a tortured genius.

Oceanographer Sylvia Earle and a cast of marine scientists tell the story of the incredible work being done to protect our oceans fragile ecosystem.

David Attenborough brings to life, in unprecedented detail, the last days of the dinosaurs. Palaeontologist Robert DePalma has made an incredible discovery in a prehistoric graveyard: fossilised creatures, astonishingly well preserved, that could help change our understanding of the last days of the dinosaurs. Evidence from his site records the day when an asteroid bigger than Mount Everest devastated our planet and caused the extinction of the dinosaurs. Based on brand new evidence, witness the catastrophic events of that day play out minute by minute.

This documentary delves into the mysteries surrounding the Neanderthals and what their fossil record tells us about their lives and disappearance.

Drama-documentary telling the gripping story of an encounter with an alien object travelling through the solar system.

Witness the remarkable story of our universe over billions of years and its inextricable link to life on Earth in this sweeping documentary series.

Professor Brian Cox explores the dramatic lives of the eight majestic planets/worlds that make up our solar system.

Each episode tells the dramatic story of an individual dinosaur whose remains are currently being unearthed by world-leading dinosaur hunters. As the dinosaurs' bones emerge from the ground, their prehistoric stories are brought to life with state-of-the-art visual effects - making each episode a gripping dinosaur drama based on the very latest evidence.

Voyage across the solar system with Professor Brian Cox and explore the new discoveries, natural wonders and strange mysteries on the diverse worlds that orbit the sun.

Documentary series exploring the science behind the science fiction of the award-winning writer Liu Cixin, author of "The Three-Body Problem".

Paleoanthropologist Ella Al-Shamahi reveals humanity's incredible story across 300,000 years of human evolution – and how the story is stranger and more surprising than ever imagined.

There's nothing else like it. Chris Packham reveals the epic, four-billion-year story of our home - from its dramatic creation to the arrival of human life... and whatever's next.

Brian Cox tackles some of the most challenging and intriguing questions facing science today by using his best material from past programmes and the latest scientific research.

They're philosophers, storytellers and pioneers in their fields. Four surgeons reflect on their lives and professions in this inspiring docuseries.

Hannah Fry uncovers the secrets behind the miraculous technologies of the modern world, revealing the mind-blowing stories behind their invention.

A team of health experts meet ordinary people to reveal how quickly their organs, skin, muscles and brain are growing old. Using the latest science, they attempt to help them slow down the speed at which they’re ageing.

Liz Bonnin joins forces with some of the world's top cat experts to conduct a groundbreaking scientific study. With GPS trackers and cat cameras, they follow 100 cats in three different environments.

Millions dream of going into space, but how many of us have what it takes? Astronaut Chris Hadfield and his expert team will choose one winner from 12 exceptional applicants.

Dr Mosley travels the world to meet people who seem to have unlocked the secrets to defying ageing. He investigates the science behind their claims and, in doing so, provides tangible tips on how to live longer, healthier lives.

All the incredible diversity of animal life sprang from a single organism. Every animal, no matter how weird, is related to every other. And behind each species is an incredible story of the millions of generations that gave rise to it - every animal we know and love today sprang from creatures that looked nothing like it.

From the Chhatrapati Shivaji Terminus in Mumbai, Dan Snow, Anita Rani and Robert Llewellyn explore the science behind the world's busiest railway. With John Sergeant reporting from across India.

Science journalist Michael Mosley shares simple tips that could transform your health, with some surprising benefits.

The moon has been the source of myths, legends and wonder across time. In this series, Dara takes viewers on a journey to explore the ways in which the moon shapes just about everything – from who we are, to the world we live in. Across the series Dara will be speaking to some of the world’s top lunar experts, scientists, researchers and geologists, as well as experts in other fields such as biology, to get a sense of how widely the moon influences every aspect of our lives.

An astronomy series that brings the galaxy's most famous family to life, with the sun as the matriarch, surrounded by her unruly planetary children.

Dara investigates the amazing star at the centre of our solar system.