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

Webb detects silane in a nearby brown dwarf, solving the mystery of the disappearance of silicon in the atmospheres of giant ...

University of Warwick astronomers have uncovered the chemical fingerprint of a frozen, water-rich planetary fragment being ...

The month is packed with skywatching highlights—including two galaxies visible to the naked eye and a rare glimpse of the ...

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

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

Initially, scientists were filled with speculation about the composition of Ceres' bright spots, with many believing they could be water or common salts. NASA's Dawn spacecraft, which began its ...

Here, the 'ice volcano' does not erupt molten rock, but rather 'ice magma' formed from a mixture of water ice, liquid brine, ...

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 ...

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

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