24 May 2023
Despite the obvious caveats, physicists are right to use fluids and other physical analogues to search for fresh insights about extreme cosmic phenomena, from black holes to the big bang
24 May 2023
As a theoretical cosmologist, you would think I'd welcome the chance to answer these questions - but it isn't clear this is an inquiry that physics can answer, says Chanda Prescod-Weinstein
31 March 2021
Hints of a hefty source of gravity beyond Pluto sparked the search for a possible “Planet Nine”. Now, some astronomers think it could instead be a black hole from the big bang, offering a rare glimpse into the early universe
3 March 2021
There is a mismatch between two ways of measuring galactic mass. Dark matter is one way to solve it, but so is rewriting the laws of gravity, says Chanda Prescod-Weinstein
6 January 2021
All the galaxies in the universe started out in a similar way, but the forms they now take are incredibly diverse, writes Chanda Prescod-Weinstein
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
11 November 2020
From November to February, the Orion Nebula can be seen with the naked eye. But with a pair of binoculars you can get a much more detailed view, says Abigail Beall
28 October 2020
Carlo Rovelli’s bestsellers saw him dubbed the poet of physics and showed a mind seeking knowledge for its own sake. His new book, There Are Places in the World Where Rules Are Less Important Than Kindness, reminds us why we need more minds like his
11 June 2020
An instrument on board the International Space Station contains one of the coldest places in the universe, and researchers have used it to create a cloud of frozen atoms
3 June 2020
Nobel prizewinner Jim Peebles introduced dark matter and dark energy into our standard model of the cosmos – but that is only an approximation to a deeper truth, he says.
