Cosmological data suggest unexpected masses for neutrinos, including the possibility of zero or negative mass.

Spanning 23 million light years, or 220 Milky Way galaxies, a set of giant, newly discovered black hole jets known as ...

Right now, it looks like cosmology is at a tipping point. Will the James Webb telescope resolve the issue by revealing new ...

Some refer to it as a “crisis” for cosmology", requiring a paradigm shift in our understanding of the universe. The expansion ...

A theory known as non-singular matter bouncing cosmology suggests that the universe “bounces” between a hot big bang era and ...

Physicists propose that a mysterious force known as early dark energy could solve two of the biggest puzzles in cosmology and fill in some major gaps in our understanding of how the early universe ...

A long-awaited study of the cosmic expansion rate suggests that when it comes to the Hubble tension, cosmologists are still ...

Looking up at the stars gives us valuable perspective. It reminds us that everything familiar to us, all our aspirations and ...

In February 2016, scientists at the Laser Interferometer Gravitational-wave Observatory (LIGO) confirmed they made the first-ever detection of gravitational waves (GWs). These events occur when ...

Now, MIT scientists suggest that early dark energy could solve both puzzles. Dark energy is believed to be a key driver for ...

Of all the mysteries facing astronomers and cosmologists today, the “Hubble Tension” remains persistent! This term refers to ...