The dwarf planet Makemake, which chills out in the deep freeze of the outer Solar System, might be home to an ice volcano 1. Makemake is one of many icy worlds that orbit the Sun past Neptune.

In billions of years, our Sun will expand into a red giant, likely engulfing Earth before shrinking into a white dwarf—a dense, glowing stellar remnant. While this process destroys most planets ...

Research found that the scar developed after white dwarf ingested the surrounding planets and asteroids which were born at the same time as it, causing a concentration of metals that scar the ...