Ten ways to look up.

From cold molecular clouds to the ignition of nuclear fusion, follow the quiet beginnings of a star.

Spiral arms, stellar halos and invisible dark matter all contribute to the shape of a galaxy.

What actually happens when gravity becomes so intense that even light cannot escape?

Why observing distant space is also observing the universe’s past.

A thought experiment about horizons, expansion and the limits of observation.

How astronomers discover planets orbiting stars beyond our Solar System.

How clouds of gas and dust become stellar nurseries, glowing nebulae and stellar remnants.

Why neutron stars are among the densest and most extraordinary objects in nature.

How the cosmic microwave background preserves a snapshot of the young universe.

How gravity reveals the presence of matter that does not shine like ordinary stars and gas.