Science

Galaxy Markarian 1216, observed in X-ray light by the Chandra X-ray Observatory, is an elliptical that may have descended from a ‘red nugget’ galaxy. Credit: X-ray: NASA/CXC/Univ. of CA Irvine/D. Buote

Leftover galaxy ‘nuggets’ could reveal the secrets of the early Universe

Artist's impression of JAXA's Hayabusa2 spacecraft passing near Earth. Credit: JAXA

Japan’s Hayabusa2 spacecraft discovers dust grains older than the Solar System

Two images of Betelgeuse captured by Emily’s team using the Very Large Telescope. Left shows the view in January 2019 and right shows the view in December 2019, revealing the star’s change in brightness over time. Credit: Credit: ESO/M. Montargès et al.

Astronomers have discovered what caused Betelgeuse’s dimming in 2019

The impact of NASA's DART mission into asteroid moonlet Dimorphus, as seen by the James Webb Space Telescope (left) and the Hubble Space Telescope (right)

Webb and Hubble capture moment DART spacecraft crashes into its asteroid target

Dr Becky Smethurst. Credit: Angel Li

Interview Becky Smethurst talks black holes

Ancient tide marks show the Moon used to orbit much closer to Earth. Credit: Abstract Aerial Art / Getty Images

Ancient tide marks show the Moon once orbited much closer to Earth

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 2022: when it is and what it means

What causes the tides? Credit: Yinwei Liu / Getty Images

What causes the tides?

A view of Neptune, its rings and moons captured by the James Webb Space Telescope, 12 July 2022. Credit: Credit: NASA, ESA, CSA, STScI, processed by Joseph DePasquale (STScI)

Neptune’s rings are incredible in brand new Webb Telescope image

Artist's impression of NASA’s DART spacecraft and the Italian Space Agency’s (ASI) LICIACube. Credit: NASA/Johns Hopkins APL/Steve Gribben

NASA’s DART: The mission to crash into an asteroid

things commonly mistaken for UFOs

16 things commonly mistaken for UFOs

A James Webb Space Telescope image of the Tarantula Nebula, captured using the NIR-Cam. Credits: NASA, ESA, CSA, STScI, Webb ERO Production Team

Webb Telescope reveals the secrets of the Tarantula Nebula

A James Webb Space Telescope view of the Phantom Galaxy, M74. Credit: ESA/Webb, NASA & CSA, J. Lee and the PHANGS-JWST Team. Acknowledgement: J. Schmidt

Webb Telescope captures face-on view of the Phantom Galaxy

Artist's impression of exoplanet Wasp 39 b. Credit: NASA, ESA, CSA, and J. Olmsted (STScI)

Webb Telescope makes first detection of CO2 at exoplanet

Artist's impression of the James Webb Space Telescope in space, with the Carina Nebula reflected in its primary mirrors

4 questions James Webb Space Telescope is poised to answer