Science

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

A supermoon rising behind a mountain. Credit: Mimi Ditchie Photography / Getty Images

What is a supermoon?

Astronomers have captured the first ever image of Sagittarius A*, the supermassive black hole at the centre of our Galaxy. Credit: EHT Collaboration

How astronomers photographed the Milky Way’s central black hole

A selfie captured by the Curiosity rover on the surface of Mars. Credit: NASA/JPL-Caltech/MSSS

A history of the Curiosity rover’s mission on Mars

Artist's impression of exoplanets. Credit: Naeblys/iStock/Getty Images

5,000 exoplanets … and counting?

Will radio astronomy ever solve the mystery of the wow signal?

The Wow! signal: a message from an extra-terrestrial civilisation?

Saturn's rings sparkling in x-ray. Credit: X-ray: NASA/MSFC/CXC/A.Bhardwaj et al.; Optical: NASA/ESA/STScI/AURA

Radio Astronomy Podcast Observing the Solar System in x-ray

sarah crowther bluedot podcast interview

Radio Astronomy Podcast Why study asteroids?

uranus neptune

Astronomers discover why Uranus and Neptune are different colours

podcast interview with physicist jim wild bluedot 2022 festival

Radio Astronomy Podcast What is space weather?

Artist's impression of solar orbiter and parker solar probe studying the sun

Parker Solar Probe and Solar Orbiter are observing our Sun like never before

Artist's impression of activity on the Moon. How can humans manage waste and recycle materials on the Moon? Credit: ESA/P. Carril

Will humans be able to recycle materials on the Moon?

Can astronauts survive radiation on Mars? Credit: cokada / Getty Images

How astronauts can hide from radiation on Mars

Royal court astronomers. Credit: alex green/folio

A history of royal court astronomers

It’s not the black hole itself that echoes, but the gas that surrounds it, illuminated by energetic X-rays. Credit: Aurore Simonnet and NASA’s Goddard Space Flight Center

Astronomers are making maps using black hole echoes

We can't rule out a visit to Earth from alien beings. Credit: Devrimb / Getty Images

Why we can’t rule out a visit from alien beings