New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure ...

Astronomers have discovered new evidence that suggests the possibility of an unknown planet in our solar system's farthest ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

Pluto is a bit of a loner. The dwarf planet is no longer considered a regular planet; it does not orbit on the same plane as ...

Astronomers have discovered fresh evidence suggesting the possible existence of an unseen planet in the far reaches of our solar system.

There are quite a few other places we might find life in the solar system, including dwarf planets like Ceres. Ceres is ...

Astronomers have detected the chemical fingerprint of a frozen, water-rich planetary fragment being devoured by a white dwarf ...

For the first time since 2008, two new planets are being added to one of northern Maine's most famous — and scientifically accurate — roadside attractions. Dwarf planets Haumea and Makemake are the ...

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