Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

Gaia-4b, a giant exoplanet orbiting a small star, is the first planet confirmed using Gaia’s astrometric technique.

Non-mixing layers of water and hydrocarbons thousands of miles deep could explain the icy planets’ strange magnetic fields.

Buckle up! Valentine's Day will shake things up and trigger an influx of emotions this year. Discover what's in store for ...

Astrology memes have humorously ranked planets based on their meme potential. Mercury takes the top spot due to frequent ...

From supermoons to a total eclipse to the national park’s biggest and best-attended star parties, these are the must-see celestial shows of the year ...

February approaches, so does the peak of this month’s lunar cycle, as the Full Snow Moon (Northern Hemisphere) will appear in ...

Holy hell fire, there’s been not one, not two but three volcanoes actively shaking and scorching the earth this week.

Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may ...

This is the last time the seven planets will appear together in the night sky until 2040. Here's when it's happening – and ...

Deep down, we can all find someone to love on Valentine's Day. It's beautiful to appreciate all types of connections, and ...