Sky This Week is brought to you in part by Celestron. Friday, May 8Pluto is stationary at 7 A.M. EDT in Capricornus, although ...

The problem with Pluto isn’t its planetary or nonplanetary status—it’s our insistence on declaring the world must be one or the other ...

Worlds this small and distant are thought to be too cold and have too little surface gravity to hold onto gases. But the findings suggest that icy, rocky objects in the solar system's outer reaches ar ...

A new study, published in Science Advances, has refined some important details about the moon's largest and oldest impact ...

Pluto retrograde gives us a chance to heal our inner child, mend relationships and find ways to push past the barriers that ...

The Artemis 2 astronauts saw several impact flashes on the moon during their epic flyby, observations that have excited ...