How the Universe Works

What happens when galaxies containing billions of stars collide? The gravitational forces of these giants intersect, and they are left irrevocably changed.

The Rosetta mission was a ground-breaking expedition to land on a comet for the very first time. What did this cutting-edge journey uncover about life on Earth?

Experts explain the importance of supermassive black holes. They have some answers, but can they solve the mysteries surrounding these phenomena?

Some of the brightest minds and theorists on the planet explore the limits of human knowledge and explain the science behind our star.

Some of the brightest minds and theorists on the planet explore the limits of human knowledge and explain the science behind the microcosmos.

New discoveries have revealed alien worlds that seem to defy the laws of physics. Experts use cutting-edge astronomy to explore this mystery.

New research suggests dead stars, known as white dwarfs, could be the key to understanding the universe. Experts investigate this mysterious phenomena.

Our galaxy is full of stars waiting to explode into supernovas, an event that could destroy all life on Earth. Experts hunt for the next deadly supernova.

Neutrinos are the most mysterious particles in the universe. New discoveries reveal their significance and how they pass through objects undetected.

Gravitational waves are helping scientists explore the cosmos in new ways. How are these discoveries helping to reveal the universe's mysteries?

The supermassive black hole M87 is the first and only black hole ever photographed. How did it grow so large and what effect does it have on the galaxy?