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 ...

A rare 'smiley face' triple conjunction is coming to Earth's morning skies on April 25, when Venus, Saturn and the crescent ...

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 ...

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

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 ...

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

Look to the eastern sky, and a clear horizon will show you this unusual, grinning planet alignment thanks to the crescent ...

"But I just don't see a way that the solar system can exist the way it does without there being a Planet 9." As this year ...

Astronomy enthusiasts, get ready. A rare 'smiley face' will appear in the sky on April 25th. Venus, Saturn, and the crescent ...

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