It’s a powerful technique, but small uncertainties at each step can add up, something critics argue may be behind the Hubble ...

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

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new ...

New simulations reveal that the Milky Way’s odd split between two chemically distinct groups of stars isn’t a universal ...