Leo is a prominent sight for stargazers in April. Its famous sickle, punctuated by the bright star Regulus, draws many a beginning stargazer’s eyes, inviting deeper looks into some of Leo’s celestial delights, including a great double star and a famous galactic trio. Leo’s distinctive forward sickle, or “reverse question mark,” is easy to spot […]

Today, the crew of Artemis II reaches a milestone, traveling farther than any humans in recorded history, as they orbit the far side of the Moon, roughly 4,000 miles above the lunar surface.  You can watch this historic broadcast on NASA’s YouTube channel today, April 6, 2026, at 10 AM Pacific (1 PM Eastern), or on NASA+. […]

Cancer the Crab is a dim constellation, yet it contains one of the most beautiful and easy-to-spot star clusters in our sky: the Beehive Cluster. Cancer also possesses one of the most studied exoplanets: the superhot super-Earth, 55 Cancri e. Find Cancer’s dim stars by looking in between the brighter neighboring constellations of Gemini and […]