25 November 2020
Different measurements of the Hubble constant, the rate of space-time expansion, refuse to agree – meaning we may have to look beyond Einstein’s theories to explain the universe
29 July 2020
A faint fuzzy glow around the first black hole image last year baffled astronomers. Now we know what it contains – and it’s more bizarre than we ever imagined
2 October 2019
Dust gives us trouble, whether at home or in space, but it plays a key role in star formation and destruction, and in allowing us to understand huge objects like galaxies says Chanda Prescod-Weinstein
7 August 2019
Exoplanets are abundant near the galaxy's smallest stars. Observing M dwarfs could teach us more about the worlds beyond our solar system, writes Chanda Prescod-Weinstein
7 November 2018
Astrophysicist Emma Chapman explains how she is peering back into the depths of time to reveal what the first ever stars can tell us.
20 June 2018
Our galaxy formed fast, and with an appetite. It’s devoured 15 other galaxies, including a big one nicknamed Kraken that we didn’t know existed until now
27 February 2018
Powerful telescopes are ready to reveal the vast black hole at the heart of our galaxy in all its glory. This is a big moment for astronomy, says Geraint Lewis
20 December 2017
The black hole firewall paradox has been vexing physicists for years. But if quantum laws lead to the creation of other universes, the headache disappears
16 October 2017
We’ve taken the first pictures of neutron stars colliding 130 million light years away. The resulting gravitational waves may solve some big cosmic mysteries
9 October 2017
About half the normal matter in our universe had never been observed – until now. Two teams have finally seen it by combining millions of faint images into one
