The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Stargazers will be treated to a dazzling six-planet "alignment" this January.

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

This month offers incredible views of six planets, including Venus-Saturn conjunction. See the dates for all of 2025's ...

the closest point in the body's orbit to the sun. (The point at the end of the apsis is the aphelion). For some bodies, like all of the planets of the solar system, the difference between the ...

A rare celestial event where seven planets align is visible in the UK skies. Discover how, when, and where you can observe ...

While claims of a “rare alignment” are overblown, you can still see up to six planets in the night sky this weekend. Here's ...

Starting at 12:30 p.m. ET (1730 GMT) on Saturday (Jan. 25), astrophysicist Gianluca Masi of the Virtual Telescope Project ...

Witness a rare celestial spectacle! Seven planets, including Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune, will ...