On April 25, the early morning sky treated stargazers to an extraordinary sight—a celestial smiley face formed by the rare alignment of Venus, Saturn, and the crescent Moon. This breathtaking event ...

The Johns Hopkins APL-led team working on the first rotorcraft designed for scientific exploration on another ocean world has ...

The leftover debris from history's most famous comet will once again streak across the skies over New York. The upcoming ...

Robert Lee Hotz covered new research and its impact on society for The Wall Street Journal.

Our sun is wobbling, and this has a huge impact upon the regularity of many of Earth's meteor showers, according to a new ...

In a rare and fleeting display early this morning, the skies offered a delightful surprise — a celestial ‘smiley face’ formed ...

The close alignment of Venus, Saturn, and a crescent moon created a formation resembling a smiling face during a rare cosmic event.

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