A 24-year-old observatory assistant from the Midwest discovered Pluto. Clyde Tombaugh, born in 1906 in Streator, Illinois, ...

Found in the northern sky, GJ 3378b is a potentially rocky world with liquid water on its surface, receiving 90% of the ...

Supermassive black holes may be violent, but some are so enormous that stable worlds could theoretically exist around them.

Unpopular opinion time, Pluto being reclassified as a dwarf planet was a great thing for our understanding of the solar ...

Over the past three decades, computer models of planetary system formation have gone from fairly crude representations to ...

Pluto lost its planethood for a very specific reason. Whether or not that’s a good reason depends on who you ask.

Because the planets in our solar system are so bright, they flood the telescope's sensors with more light than they can ...

Learn how Pluto nearly kept its planet status in a proposed 12-planet Solar System as its demotion marks its 20th anniversary ...

Those who supported Pluto’s demotion included Neil DeGrasse Tyson ...

The planet, named GJ 523b, is around 170 million years old and more than 2.5 times the size of Earth. It has approximately 23 ...

The discovery of the Kuiper Belt revealed thousands of icy objects near Pluto, challenging its status as a planet. After the ...

Scientists have discovered thousands of planets beyond our solar system, but only a small fraction appear remotely capable of ...