An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

Researchers say they found a curious dot on infrared images taken 23 years apart that seems to be moving in a manner ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...

A new look through decades-old data has unveiled some of the most compelling evidence yet of a hidden ninth planet in the far ...

They reveal a whole new level of detail in these planet-forming systems. Breakthroughs, discoveries, and DIY tips sent every ...

One set of dots had matching colors and brightness. open image in gallery Is there a possible ninth planet in our solar system? Researchers say they may have found a candidate (Credit: ESO/Tom ...

Astronomers may have found a candidate for Planet Nine. This planet is beyond Neptune. The finding could be the first ...

What new technologies or methods can be developed for more efficient in-situ planetary subsurface analyses? This is what a recent study presented at the 56th Lunar and Planetary Science Conference ...

The planetarium, located at 100 Center Ave., is open from 8 a.m. to 4 p.m. Monday and Tuesday; 8 a.m. to 7:30 p.m. Wednesday ...