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

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

Our solar system is much like a trail of microcosmic breadcrumbs: Follow the molecular bits as far back as they go, and you'll learn a thing or two about where many of our planets and other celestial ...

New research from NASA has found that the dwarf planet Ceres may be another place to look for evidence of primitive life in ...

It's much harder to find, but there are a lot more of them." The first interstellar object to visit the solar system may have ...

In May 1964, Arno Penzias and Robert Wilson were testing how radio waves bounced off balloon satellites developed by Bell ...

Methane gas may signal an atmosphere or geological activity on a distant dwarf planet located at the outer edge of the Solar System. A research team led by the Southwest Research Institute has ...

The methane emission is explained by solar-excited fluorescence. Sunlight interacts with methane molecules, causing them to emit light.

"The profile of the occultation was most consistent with it being a new satellite — a new moon — going around Quaoar." ...

For years, astronomers believed that Makemake, one of the brightest icy bodies beyond Neptune, was a frozen relic of the outer solar system. New observations from NASA’s James Webb Space Telescope ...

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

In its youth, the dwarf planet Ceres may have brewed a chemical banquet beneath its icy crust.