Four planets in the solar system are about to appear in alignment in the night sky. Here's how stargazers will be able to see ...

Four of Earth’s neighbors are about to appear in a planetary alignment. Those four planets — Mercury, Venus, Neptune and ...

Venus will be at its brightest in the morning sky — just 67 days after it was at its brightest in the evening sky. Here's why ...

Venus, Saturn and the moon will form a triple conjunction, appearing to look like a smiley face in a sky. Here's how and when ...

April’s planetary parade has fewer planets. Only four will line up: Venus, Saturn, Mercury and Neptune. April's parade of ...

Also in the morning sky is little Mercury, but traditionally for Northern Hemisphere observers, morning apparitions of this planet are very difficult to see in the spring because of its propensity ...

The moon dims, the meteors fly, and the planets dance—these are the most exciting celestial events happening this month.

Venus will reach its peak brightness on April 24 before sunrise, visible as the Morning Star in the eastern sky. The planet ...

Dragging the trash barrel to the curb, I look up at the night sky, and my current self is instantly tethered to all my past ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.