In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

Among the planets in our solar system, Earth stands out not just for its life-supporting capabilities but also for its unique name. Unlike its celestial neighbors—Mercury, Venus, Mars, Jupiter, Saturn ...

"We reference the planets as symbols to better understand our lives," PEOPLE's resident astrologer Kyle Thomas says Skyler Caruso is a Writer and Reporter of PEOPLE Digital Entertainment. She joined ...

Stargazers who have heard of an amazing planetary alignment coming later in January may be in for a letdown if they look up at the night sky expecting to be dazzled. Yes, six planets will be visible ...

If you step back in time, thousands of years ago, people knew about the brightest planets pretty much everywhere. These are Mercury, Venus, Mars, Jupiter and Saturn. And pretty much every culture knew ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Danny Lewis: Almost 800 million miles away from Earth, the moon Enceladus orbits ...

Planetary alignment, or conjunction, refers to the apparent close grouping of planets in the night sky as viewed from Earth, not necessarily a perfect linear alignment in space. These alignments occur ...