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

Everybody loves a parade. Most people who live in chillier climes aren’t exactly rejoicing when February rolls around — but ...

With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it might ...

On Feb. 28, seven planets—Mars, Jupiter, Uranus, Venus, Neptune, Mercury, and Saturn—will all grace the early evening sky.

Beginning around sunset, Saturn will be situated closest to the horizon, followed by Mercury, Venus, Jupiter and Mars higher ...

Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets tend to have more circular orbits. This split coincides with several other ...

A visible line of planets has for weeks been the talk of astronomers and hobbyist stargazers who have sought to catch a sight of our solar system's worlds. Online chatter and a frenzy of media ...

The solar system's planets are set to align in the night sky in a dazzling planetary alignment, colloquially known as a ...

A spectacular solar display will be seen on Friday, Feb. 28, as seven planets will be visible through binoculars, a telescope or even the naked eye during the evening's full "planet parade." ...

Seven planets will be briefly “visible” in the evening sky Friday night, but the best chance to see as many as four planets ...

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

When a mudflat crumbles on Earth, or an ice sheet splinters on one of Jupiter's moons (Europa), or an ancient lakebed breaks ...