For years, the James Webb Space Telescope has been spotting enormous black holes in the early universe that defy all ...

Cosmology and quantum physics both offer tantalizing possibilities that we inhabit just one reality among many. But testing ...

From planet-scorching stellar outbursts to cataclysms so powerful they shiver the very fabric of spacetime, these are some of the biggest blasts our cosmos has to offer ...

To explain these observations, they proposed a new kind of energy that is responsible for driving the universe’s accelerated expansion: dark energy. Astrophysicists now believe dark energy makes up ...

The Subaru Telescope discovered a unique quasar that was shining bright in two kinds of waves despite its continuous growth.

How many electrons are there in the Universe? One bold theory suggests that there could only be one, although this theory has ...

Astronomers have confirmed the earliest barred spiral galaxy in the universe, a Milky-Way-like structure that existed just 2 ...

In A Nutshell A black hole in the early universe is eating 13 times faster than a classic physics rule says is possible It’s breaking the “Eddington limit,” a rule of thumb for black hole growth, like ...

The fate of the cosmos may be a bit different than previously expected. For years, scientists have talked about how the universe is always expanding — constantly moving outward, never stopping.

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...

The end of the universe has always felt like a distant abstraction. But new calculations suggest that our original timeline might have been wildly optimistic. According to a team of Dutch scientists, ...

This December, the SciFri Book Club will read The Biggest Ideas in the Universe: Space, Time, and Motion by Sean M. Carroll. This New York Times bestseller transforms intimidating physics equations ...