Astronomers for the first time have deciphered the three-dimensional structure of the atmosphere of a planet beyond our solar ...

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, ...

Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's ...

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 ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

"Our Sun (Sol) is marked by a black hexagon, and its orbital path is indicated by a grey solid line (top row only). Alpha ...

Whether Pluto is officially a planet is the least interesting thing about the runt of the solar system, astronomers will tell you 95 years after the discovery of the fascinating and sometimes ...

Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.

Scientists have peered through the atmosphere of a planet outside our solar system and discovered weather patterns "like ...

While our solar system is a fascinating place on its own, exoplanets are even more of a mystery. And one exoplanet in ...

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