The most distant known star in the universe is no longer a faint, anonymous point of light. With the James Webb Space ...

Keck Observatory reports that spectroscopy from its Keck Cosmic Web Imager, combined with data from NASA’s James Webb and ...

The universe’s expansion rate was supposed to be a solved problem, yet the latest high precision map of the early cosmos has ...

Harvard astrophysicist Avi Loeb claims the interstellar object 3I/ATLAS is not just a comet, but a technological artefact ...

Harvard's Avi Loeb warns that interstellar comet 3I/ATLAS could be a 'serial killer', carrying the neurotoxin hydrogen ...