Billions of stars fill our galaxy that become visible at certain times of year. And in the U.S., that time, known as "Milky ...

Astronomers studying the Milky Way's oldest stars have estimated that the Universe is about 13.6 billion years old.

"Milky Way season" is here, and dark sky areas in Michigan offer prime visibility of our galaxy.

Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's ...

Largest ever image obtained by specialist telescope in Chile represents scientific and aesthetic breakthrough ...

A student has unraveled a long-standing cosmic enigma concerning some of our solar system’s most peculiar objects: icy ...

A baby sunlike star blowing a bubble of hot gas called an “astrosphere” was captured for the first time by NASA’s Chandra X-ray Observatory ...

Far beyond Neptune, in the frozen depths of the Kuiper Belt, many ancient objects oddly resemble giant snowmen made of ice and rock. For years, scientists wondered how these delicate two-lobed shapes ...

For ancient Arab travelers, the sky was a faithful guide, and a glowing river of stars stretching across the night, inspired ...

Finding Earth’s exact position in the galaxy took centuries of observation and innovation. This story follows astronomers as they counted stars, measured motion, and mapped the Milky Way with ...