Science

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

An artist's impression of exoplanet HD 209458b. Credit: NASA/European Space Agency/Alfred Vidal-Madjar (Institut d'Astrophysique de Paris, CNRS)

Twenty Worlds: interview with exoplanet astronomer Niall Deacon

A radio and infrared image of a section of our Milky Way galaxy. Radiation from newborn stars heats cosmic dust that glows in infrared (in violet), while ultraviolet light from these stars gives off radio waves in red. Credit: NRAO/AUI/NSF

How radio astronomy changed our view of the Universe

Prosiect Nos Wales is a new initiative looking to further the protection of dark skies in Wales. Credit: Eleni Debo/Folio

How Prosiect Nos is helping to protect Wales’s dark skies

Three images of NGC 2770 from early 2008 show the rare occurrence of two supernovae. Credit: ESO

Why do some galaxies have more supernovae than others?

Radio Astronomy podcast: Galaxies

Radio Astronomy Podcast Galaxies

The misaligned planet-forming discs around triple star system GW Orionis. Credit: ESO/Exeter/Kraus et al., ALMA (ESO/NAOJ/NRAO)

Eye On The Sky Mis-aligned rings detected in disc around triple-star system

Podcast: Emily Drabek Maunder discusses the discovery of phosphine on Venus

Radio Astronomy Podcast Dr Emily Drabek-Maunder discusses phosphine on Venus

An artist's illustration of a Martian dust storm. Credit: NASA

Winds on Mars: understanding the Red Planet’s atmosphere

Scientists have found similarities in the shapes of channels created on Mars (right) and those formed by glacier meltwater in Earth’s Arctic region (left). Credit: Cal-Tech CTX mosaic and MAXAR/Esri

Mars valleys may have been formed by melting glaciers

An image of Enceladus captured by Cassini, showing plumes of vapour bursting through Enceladus’s icy crust. Credit: NASA/JPL-Caltech/SSI

A guide to the oceans of the Solar System

Venus’s northern hemisphere, as seen by NASA’s Magellan probe. Credit: NASA/JPL

Venus The search for life on the hellish planet

A view of Venus captured by JAXA's Akatsuki orbiter. © PLANET-C Project Team

Venus Astronomers discover evidence of microbial life in planet's clouds

Some of the most famous objects in the Messier Catalogue. Clockwise from top left: M13, M1, M45, M51, M16, M44. Credit: Hannes Bachleitner, Dieter Retzl, Manfred Wasshuber, Günter Kerschhuber / CCDGuide.com

Messier Catalogue: the complete list

Equinoxes occur when the Sun crosses the celestial equator. For Earth, this is the point that the planet’s axis points neither towards nor away from the Sun. Credit: BBC Sky at Night Magazine

Autumn equinox: when it is and what it means

The orbital path of inferior planets. Credit: BBC Sky at Night Magazine.

Inferior and superior planets: what’s the difference?