Science

Black holes, dark matter, gravitational waves and exoplanets: find out how astronomy is unlocking the secrets of the Universe.

Image of an asteroid colliding and blocking out a star's light. Credit: NASA

The mystery of double-dipping stars

Illustration showing a star surrounded by a protoplanetary disk. Credit: NASA/JPL-Caltech

Why are there so many different kinds of planet?

An artist's impression of asteroids. Credit: NASA

Why do asteroids have such unusual shapes?

Tycho Crater by Fernando Oliveira De Menezes, São Paulo, Brazil. Equipment: C11 edge HD, So 290mc, IR Filter PASS 685.

How to observe and photograph lunar ray ejecta systems

Machina Electrica, engraved by Sidney Hall and publshed 1824. Photo by: Universal History Archive/Universal Images Group via Getty Images

8 forgotten constellations that didn’t catch on

Image of a silhouette of a man against the backdrop of the green glow of the aurora

Radio Astronomy Podcast How to see the Northern Lights

Dwarf planet Ceres. Credit: NASA/JPL-Caltech

See Ceres at opposition in the night sky this month

Uranus (left) and Neptune (right), as seen by the Voyager 2 spacecraft. Credit: NASA/JPL-Caltech; NASA

Why we need to return to Uranus and Neptune

Illustration showing what our galaxy the Milky Way likely looks like.

Can we measure the mass of the Milky Way?

Europa viewed from NASA’s Galileo spacecraft. Note the bright ice, huge cracks and dark patches that probably contain both ice and dirt Image: NASA/Ted Stryk

How thick is moon Europa’s icy crust?

Artist's illustration of the Moon exploding

What would happen if the Moon exploded?

An artist's impression showing the black hole Cygnus X-1 in its binary system. Credit: NASA/CXC/M.Weiss

How to locate black hole Cygnus X-1

Geologist and cosmo chemist Dr Natalie Starkey

Radio Astronomy Podcast Volcanoes of the Solar System

An artist's impression showing the Lucy spacecraft flying by a Trojan Asteroid near Jupiter.

Lucy: The Mission to explore the Trojan Asteroids

NASA scientists analyse one of the Ryugu samples that have been distributed around the world.

Why do astronomers study samples from other worlds?