Two green comets are streaming close to earth. Here’s how skygazers can see this rare occurrence - Two bright green comets ...

The simulation of the Solar System that came the closest to the observation was the presence of a small planet, between the ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

Astronomers using the Hubble Space Telescope have uncovered the remains of a frozen, Pluto-like world being devoured by a distant white dwarf star.

Anyone hungry for the icy crunch of a Pluto -like body? No? Well, one nearby white dwarf is going all in on a Pluto-esque snack.