The early universe has a lot more massive black holes than suspected.

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

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 ...

At 3.3 billion light-years across, the ring may challenge the “cosmological principle” that the universe looks uniform at sufficiently large scales.

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

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 Universe may not have started with the Big Bang, but instead “bounced” out of a massive black hole formed within a larger “parent” universe, according to a new scientific paper. Professor Enrique ...

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

James Webb has spotted mysterious little red dots in the early universe that may actually be hidden black holes, challenging ...

We experience the flow of time because it’s a natural outcome of the basic laws of physics. But we may need to build a whole ...

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 ...