The universe we live in is a transparent one, where light from stars and galaxies shines bright against a clear, dark backdrop. But this...

A trio of US astronomers has found compelling evidence for the existence of “dark stars”...

When theoretical physicists like myself say that we’re studying why the universe exists, we sound like philosophers. But new data collected by researchers using...

IntroductionLike a bright city in the middle of a barren desert, our galactic neighborhood is enveloped by a cosmic void — an enormous, almost...

Using the James Webb Space Telescope (JWST), an international team of astronomers has found compelling...

Astronomers in the US have discovered an unexpected asymmetry in the relative positions of galaxies...

IntroductionBy definition, the universe seems like it should be the totality of everything that exists. Yet a variety of arguments emerging from cosmology, particle...

The late physicist Stephen Hawking first asked me to work with him to develop “a new quantum theory of the Big Bang” in 1998....

The NIRSpec instrument on the James Webb Space Telescope (JWST) has revealed that a far...

It’s easy to envisage other universes, governed by slightly different laws of physics, in which no intelligent life, nor indeed any kind of organized...

Unfortunately for the field of cosmology, there is only one universe. This makes performing experiments...

IntroductionNearly 400,000 years after the Big Bang, the primordial plasma of the infant universe cooled enough for the first atoms to coalesce, making space...