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

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

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

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 ...

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." ...

It is being called a "planetary parade" as seven planets are expected to be seen in the Earth's night sky on Friday, ...

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

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

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