Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand ...

The cosmos has served up a gift for a group of scientists who have been searching for one of the most elusive phenomena in ...

Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today?

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

Avi Loeb links the strange behaviour of interstellar object 3I/ATLAS with the rise and fall of the sterile neutrino debate in ...

World models represent the next frontier in AI, enabling machines to create immersive, interactive 3D environments with ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from the early cosmos.

From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run ...

A small star named M82 X-2 breaks physical barriers, as NASA's NuSTAR confirms it shines 10 million times brighter than the ...

Harvard astrophysicist Avi Loeb criticizes ‘self-declared’ experts for ignoring 3I/ATLAS anomalies despite pursuing similar searches for sterile neutrinos ...

A new equation calculates how many fragments of each size will be produced when an object breaks. The principle could help ...

Hubble images of interstellar comet 3I/ATLAS reveal an inexplicable sunward anti-tail, shocking scientists. Is the massive, ...