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

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners ...

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

Tonight and throughout January, stargazers can see a planetary alignment in the night sky or what some are calling a ...

A handful of planets in the solar system are expected to line up in the night sky for a few days in January 2025. Here's when ...

Although it's being mistakenly promoted as a "rare planetary alignment," one of the best "planet parades" in half a century ...

Rumor has it that as many as six planets will be in a line and visible in the night sky. Unfortunately, this cosmic event may be a cosmic letdown if you're not informed of what you'll actually see ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

"A parade of planets, also sometimes referred to as a planetary alignment, is when several planets in our solar system appear ...