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

An extremely early Type II supernova explosion, named after the Titan goddess of dawn in Greek mythology, occurred just 1 ...

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 ...

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.

Here’s what you’ll learn when you read this story: A new hypothesis from physicists at the University of Portsmouth in the U.K. challenges the long-standing Big Bang Theory as the ultimate origin of ...

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, ...

For decades, astronomers have been trying to nail down the value of the Hubble constant—a measure of how fast the universe is expanding. But some cosmologists say there’s evidence that the universe is ...

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 ...