Heads up, skywatchers: a planet alignment is up for viewing this weekend, with Mercury, Venus, Jupiter, and Mars all visible ...

Although NASA says these types of events are not especially rare, they’re still an excellent reason to go outside and do a ...

After Friday's spectacle, a "planet parade" of this size won't appear in the night sky for several years, experts say.

An alignment of seven planets will be visible in Friday's evening sky. Here's when and where to view the celestial phenomenon ...

Seven planets will line up for a rare "planetary parade" today (Feb. 28) and you can watch it live online, beginning at 12:00 p.m. ET (1700 GMT).

Seven planets will line up for a "planet parade" on Friday, Feb. 28, as Mercury lines up with Mars, Jupiter, Uranus, Neptune, ...

If you haven't caught the "planet parade," don't despair. This Friday should offer the best glimpse of one of the most elusive planets.

Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could be visible, but not all can be seen by the naked eye.

We have a "Great Planetary Alignment" coming up later this week, and if the weather cooperates, night sky watchers in Boston could get a glimpse of this rare sight. You may have heard whispers about ...

While all seven planets could appear in some form in parts of the U.S., not all of them will be visible to the naked eye.

A "great planet alignment" will be adorning the skies on Friday. According to astronomers, the rare event won't happen again for another decade. Here's what to know.

Space.com said that Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune will align across the sky just after dusk.