The universe's first galaxies were hot messes, according to a recent study. During their younger days, they were wild, ...

Centuries before other galaxies were known to exist, astronomers called them “spiral nebulas.” Today the defunct term still ...

In the late 1990s, two rival teams of astronomers discovered that the universe was expanding faster and faster. It was a ...

What is the actual speed and direction of our solar system as it moves through the cosmos, and how does this compare to ...

Edwin Hubble redefined the universe and Brazil declared a republic, amid other landmark events shaping history and science ...

An analysis of millions of galaxies found that the universe is barreling towards what is literally a much darker future.

Scientists have long held that the universe is expanding at an ever-increasing rate, driven by a mysterious but measurable ...

The discovery of a superheated star factory that forms stars 180 times faster than our own Milky Way could help solve a ...

Evidence suggests the universe’s expansion has started to slow, not accelerate. The results imply dark energy is weakening ...

The formation of galaxies in the universe should follow a fairly simple path. It starts with small galaxies, which then grow bigger and bigger until they become the giant galaxies we see in the modern ...

Astronomers peering back deep in time into the distant universe think they may have discovered a population of previous hidden galaxies that could shake up astrophysics. The research, based on data ...