Dark matter affects how stars move within galaxies, how galaxies build up over time, and how everything in the universe is held together—but no existing tool has directly detected it. While dark ...

The Unistellar eQuinox 2 is our telescope experts' pick as the best overall smart telescope, and is now $420 off for Father's ...

Surveying nearby galaxies in the process of merging with other galaxies, astronomers have identified massive, dense star ...

A computer simulation shows how two neutron stars of unequal mass merge, form a black hole and spit out a jet of high energy matter.

The game-changing Vera Rubin Observatory will collect more astronomical data in its first year than all other telescopes ...

The nature and evolution of stars, galaxies, galaxy clusters, dark matter and dark energy—and our attempts to understand these things—allow us to pose the ultimate questions and reach for the ultimate ...

For the first time, scientists have used Earth-based telescopes to look back over 13 billion years to see how the first stars ...

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse ...

The nights surrounding June 7 will see Jupiter and Mercury crowd together close to the horizon in the northwestern sky.

Then, around midnight, the Butterfly Cluster will be "well-placed" in the night sky, reaching its highest point above the horizon. To see this butterfly-shaped open cluster of stars, grab a pair ...

This month will usher in two separate conjunctions — one between the moon and a rarely-visible Mercury, and another between ...

Surprise, surprise - you don’t have to fly that far away to find a Dark Sky Reserve for the ultimate stargazing experience.