String theory has long been presented as physicists' best candidate for describing the fundamental nature of the Universe.

What is the Big Crunch theory? This theory is highly debated, but could be what happens when you hit the rewind button of the ...

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have formed ...

New observations from the James Webb Space Telescope (JWST) suggest the cosmos may be much older than once believed. For ...

As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s ...

The universe may not have begun with the Big Bang as is generally thought but from the collapse of a massive black hole, a new theory suggests. At such a critical moment in US history, we need ...

Is the Hubble constant—a key part of how we measure the expansion of our universe—in a crisis? Some cosmologists say yes.

The Big Bang is often described as the explosive birth of the Universe – a singular moment when space, time and matter sprang into existence.

As the Vera C. Rubin Observatory surveys the night sky, astrophysicists expect to unlock the secrets of dark matter, dark ...

A new cosmological simulator logs its scientific predictions and refutations in real time, storing hashes in blockchain with full offline ...

For decades, string theory has promised to be the ultimate explanation for how our universe works. In this theory, all matter ...