Eris was discovered. It was considered the largest known dwarf planet in the solar system until a year later when Pluto was ...
They needed some space. New research suggests Pluto may have had a “kiss” with its largest moon billions of years ago in a harmless collision. The report, published in “Nature ...
Astronomy on MSN3d
Does Planet Nine exist?
The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...
Learn about the size, temperature, and colour of each planet, and discover why Pluto is no longer considered a planet.
Potentially habitable exoplanets are so incredibly common that astronomers have started to consider more unusual situations ...