Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...

For decades, Pluto was celebrated as the ninth planet of our solar system. However ... leading to Pluto’s reclassification as a dwarf planet. This decision sparked widespread debate among ...

Scientists have been unable to determine whether the dwarf planet’s organics were produced by its own chemical processes or ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

"Our Sun (Sol) is marked by a black hexagon, and its orbital path is indicated by a grey solid line (top row only). Alpha Centauri's location and path are shown by a yellow star and a solid blue line ...

These popular astronomy questions, answered by Astronomy magazine, will help you better understand our universe - and share ...

Oumuamua and Comet Borisov in 2017 and 2019, respectively, created a surge of interest. What were they? Where did they come ...

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

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

For decades, Pluto was celebrated as the ninth planet of our solar system. However, in 2006, the International Astronomical ...

Explore the impact of stellar flares on the potential for alien life. Discover how higher levels of UV radiation can both ...