The spacecraft will map the boundaries of the heliosphere, study how Earth’s outer atmosphere reacts to solar activity and ...

Astronomers have discovered 2017 OF21, a distant dwarf planet candidate located about 90 times farther from the Sun than ...

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 ...

Astronomers using the Hubble Space Telescope have observed a white dwarf - a highly compact stellar ember - that appears to ...

Could the chemical debris of a shattered world hold clues to life elsewhere in the universe? Astronomers studying the white ...

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

"It shows that Makemake is not an inactive remnant of the outer solar system, but a dynamic body where methane ice is still ...

More than 50 times further from the Sun than Earth, the tiny dwarf planet Makemake is one of the last places you'd expect to ...

Astronomers have observed a white dwarf, a highly compact stellar ember, that appears to have gobbled up an icy world akin to ...

Scientists have discovered methane gas on the dwarf planet Makemake, a finding that has surprised astronomers studying the outer solar system.

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