A 50-million-light-year-long flow of hydrogen gas has been observed linking two tiny galaxies 50 million light-years away, ...

Hubble has captured a striking new image of NGC 2775, a galaxy that defies easy classification. Blending features of spirals, ...

New data from the James Webb Space Telescope may solve a riddle from the universe’s beginnings. A compact, distant object ...

A swarm of galaxies called the Bullet Cluster is the biggest, best natural laboratory for studying dark matter that astronomers have ever seen ...

In the vast universe, a grand event spanning billions of years is quietly brewing—the Milky Way and Andromeda galaxies will stage a stunning 'interstellar collision' in 3.7 billion years. This ...

One of the first chemical reactions thought to have occurred in the universe has long posed a conundrum, as it seemed the ...

In the vast universe, a grand event spanning billions of years is quietly brewing — the Milky Way and the Andromeda Galaxy will engage in a stunning 'interstellar collision' in 3.7 billion years. This ...

Packed tightly together like twinkling stellar beehives, these globular clusters are made up of hundreds of thousands of ...

Get ready to witness our cosmic neighbor like never before! :milky_way: Astrophotographer Ronald Brecher spent 38 hours ...

Black holes are so strange that physicists have long wondered if they are quite what they seem. Now we are set to find out if ...

For decades, astronomers believed Andromeda and the Milky Way were destined to merge in about 4 billion years. But new ...

A detailed image reveals an unusual plasma jet structure, suggesting the presence of two merging supermassive black holes at the galaxy’s core. For more than a century and a half, the distant galaxy ...