Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Astronomers discover a network of cosmic tunnels linking our solar system to distant galaxies, revealing a dynamic and ...

High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.

Perhaps it is a surprisingly weak consensus. Consider the numbers: there are more than 100 billion galaxies. And we know that ...

In this special Hubble image 23 years in the making, the sparkling spiral galaxy UGC 10043 reveals the secrets of its ...

About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and ...

During this time, radiation dominated the universe ... but that isn't too difficult to explain. Planets can be ejected from stars to wander their galaxies alone as rogue worlds due to ...

Leo P, a tiny galaxy, stopped making stars after the universe’s reionization. Unlike most galaxies, it restarted billions of ...

"It looks like it has been through some kind of event that caused it to form a lot of stars and then just shut down” ...