May 5 - Jupiter has aligned with Mars - and Mercury, Venus, Earth and Saturn - but the cosmic lineup doesn't mean doom is lurking around the corner. Today, five planets have lined up with Earth and ...

The alleged "Planet Nine," also called "Planet X," is believed to be about 10 times the mass of Earth and 5,000 times the mass of Pluto. Related: 15 stunning ... have been five human-made objects ...

Astronomers are revising their understanding of how stars and planets form after the James ... these six rogue worlds are gas giants roughly five to 10 times more massive than Jupiter.

Astronomers have found six new worlds that look like planets, but formed like stars. These so-called rogue worlds are between five and 15 times the mass of Jupiter, and one of them may even host the ...

And it’ll be a bumper start to the new year if you’re an astronomy fan, with seven planets (Saturn, Mercury, Neptune, Venus, ...

Earth’s planetary neighbors can be spotted on any given night, but most of them are expected to line up with each ... be made up of six planets. Large alignments are five to six, while small ...

From a solar eclipse to a dolphin-like nebula, these otherworldly sights are captured in sharp detail by astrophotographers ...

A celestial event is considered a parade when several planets are involved in the lineup — like June's ... while a large planetary alignment includes five or six.

A mini-planetary alignment includes three planets, a small alignment has four, a large has five or six, and the granddaddy of them all, a great or full alignment, would mean all the planets are ...

Installation of the work by artist Olafur Eliasson began early this summer and had passersby curious about what was under the ...