Pluto reaches opposition and the Moon waxes to First Quarter as shooting stars streak through the sky this week.

Purgathofer-Weinberger 1, a faint planetary nebula about 1,300 light-years away, is the second-largest planetary nebula in ...

The famous Perseids shower will peak in mid-August. Until then, two other meteor showers will light up the sky. We’re aiming ...

August's full moon will cast its luminous glow across the sky, here’s when and how to see it at its brightest.

The legendary Perseid meteor shower is now underway, but don't wait until its peak in August to start looking up — as we all ...

Cosmology is currently in a crisis known as the Hubble tension: the local universe appears to be expanding about 10% faster ...

Every year, thousands of people visit Summit County to experience all the beauty that the Colorado Rocky Mountains have to ...

In Chile, a powerful new telescope has just given a taster of what we can expect from it later this year, when it will be used to survey the cosmos over a ten-year period. In one image it revealed ...

A comet, now known as 3I/ATLAS, with 3I short for "third interstellar," sparked immediate excitement on July 1 when it was ...

In a cosmic first, scientists watched planet-forming materials begin to solidify around a newborn star, offering a peek into ...

Interest in Betelgeuse intensified during its great dimming in 2019-20 and subsequent resurrection. Among several ...

Astronomers may have caught a still-forming planet in action, carving out an intricate pattern in the gas and dust that ...