The predawn hours of April 28 will see a planetary triangle form in the night sky, as Venus makes a close approach to Saturn following a conjunction, while Neptune, invisible to the naked eye, will ...

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

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 ...

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

The morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth's ...

Scientists have found possible signs of life on a distant planet in the form of gases that they say are normally linked to ...

Venus and Saturn will align with a crescent moon to create the illusion of a smiley face in the sky on the morning of April ...

Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

"As a geologist who studies planets, I question the assumption that these molecules can only be produced by life." An ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

A team of astronomers have detected what they call the most promising signs to date of a possible biosignature, or signs of ...