Skygazers across Texas and beyond can catch a glimpse of six planets arcing across the night sky this week in a so-called ...

Nearly all of the solar system’s planets are about to file across the night sky in a planetary alignment, and it will be ...

Mercury, Venus, Jupiter, and Saturn—will be visible to the naked eye. Uranus and Neptune, being much farther away, will ...

Six planets are set to align on Saturday, creating a planetary parade that will be visible to sky-gazers across the globe.

A large planetary alignment will be visible after sunset. Learn which planets you can see and when the next alignments happen.

Mercury, the smallest planet in the solar system, holds an outsized secret that some researchers believe could reshape how humans think about expanding into space. With an iron core that dominates its ...

What is a planetary retrograde? And what connection does it have to astrology? We explain how planets move across the sky.

'Even the earliest humans would have been able to see these events.' ...

With a lot of talk about space recently, have you ever wondered which are the hottest planets in the solar system? You'd think the closer you are to the sun, the hotter they must be. Now that's mostly ...

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how planets form. Across our galaxy, astronomers routinely observe a ...