New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...

Triangle is a formation of stellar bodies called an asterism, made up of the bright stars Vega, Deneb and Altair.

On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...

Expect warm, humid conditions with scattered to occasionally strong thunderstorms through Monday. Stay weather-aware Sunday ...

Take a journey through the Milky Way galaxy, exploring the wonders of our solar system and the distant stars that illuminate the night sky. The Milky Way is home to over 100 billion stars, each with ...

The constellation Lyra is faint, but it contains Vega, one of the brightest stars in our Butler night sky. As soon as it gets ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

In October 1604, astronomer and mathematician Johannes Kepler spotted a new star in the sky and began tracking it. Over the course of several weeks, the star remained visible in the daytime and ...

Colorado residents and visitors who tilt their heads skyward after dark this July will witness awe-inspiring astrological ...

By Kat Troche As summer deepens in the Northern Hemisphere, a familiar constellation rises with the galactic core of the ...

What at first seemed a routine detection of an object travelling through the solar system soon turned out to be anything but.

This year, the Buck Moon follows Earth's aphelion, the point in its orbit farthest from the Sun, by just a few days, ...