Ever since its formation around 4.5 billion years ago, Earth's rotation has been gradually slowing down, and its days have ...

These are the kinds of questions astrophysicist and science journalist Adam Becker poses in his new book, More Everything ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible planet strung across the heavens. This celestial lineup is an optical ...

Skywatchers worldwide are in for a charming cosmic display before the sun rises Friday, as three celestial bodies will appear ...

The new moon occurs April 27, and a day later Venus and Saturn will make a close approach to each other (known as a ...

View a brilliant morning star, enjoy dark skies during New Moon, and take in plenty of deep-sky targets in the sky this week.

Before sunrise on April 25, a slender waning crescent moon will appear left of Venus and Saturn to create the tilted happy face.

In February, stargazers enjoyed a rare occurrence: All seven of Earth's planetary siblings dotted the night sky at once. And ...

A planetary alignment early Friday morning could resemble a celestial smiley face—depending on where you’re looking from and ...

Serving nine UC campuses and two national laboratories, Lick Observatory continues to be at the forefront of groundbreaking ...

Here's what will be visible in the night sky in the United States in May 2025. On May 12, the skies will be treated to the Flower Moon, also known as the Corn Planting Moon, Milk Moon, Hare's Moon and ...

Well, in the predawn hours of April 25 it literally will be thanks to a double conjunction that will see Saturn, Venus and ...