In the dense environment of the early universe, dark matter particles would collide with, and annihilate, each other, ...

Beyond the local interstellar clouds and their wispy clumps of hydrogen and helium atoms in the form of gas and dust, the ...

The Large and Small Magellanic Clouds are irregular dwarf galaxies and satellites of the Milky Way. The LMC is about 163,000 ...

Astronomers have used the James Webb Space Telescope (JWST) to discover that a distant "hot Jupiter" planet has two ...

Located 446 light-years from Earth, this planet, dubbed 'HD 143811 b', orbits a 'binary system' where two stars swirl around ...

In smaller dark stars, when their dark matter runs out, normal nuclear fusion can begin, and they gradually become normal ...

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using ...

Horizon Quantum Computing Pte. Ltd. (“Horizon Quantum”), a pioneer of software infrastructure for quantum applications, today ...

Astronomers have been poring over a flood of data from NASA satellites and other facilities as they try to work out what was responsible for an extraordinary ...

Physics World is delighted to announce its Top 10 Breakthroughs of the Year for 2025, which includes research in astronomy, antimatter, atomic and molecular physics and more. The Top Ten is the ...

New high-precision mass measurements of phosphorus-26 and sulfur-27 have clarified how nuclear reactions unfold during explosive X-ray bursts on neutron stars (Artist’s concept). Credit: ...

A seven-hour gamma-ray burst, GRB 250702B, stuns astronomers and hints at powerful new cosmic engines still unknown to science.