Mars Shows Signs of Volcanic Activity: European Orbiter Detects Gas Seeps at Alba Mons

Phys.org · 2026-11-05
Mars Shows Signs of Volcanic Activity: European Orbiter Detects Gas Seeps at Alba Mons

New data from the European Space Agency's Mars Express orbiter suggests the Red Planet may still be volcanically active, with gas seeping from fissures in the Alba Mons region. The detection of methane and other gases above volcanic rifts indicates that Mars is not geologically dead but rather 'sleeping,' with potential hotspots beneath its surface. Alba Mons, one of the largest volcanoes in the solar system, has long been considered dormant, but fresh fissures and gas emissions point to ongoing internal activity. This discovery challenges previous assumptions about Mars' geological timeline and has significant implications for understanding the planet's thermal evolution and potential habitability. If volcanic heat and gases are still escaping, it could create subsurface environments where liquid water and microbial life might exist. The findings, published in a recent study, highlight the need for further investigation with future missions equipped to analyze the Martian subsurface. As scientists continue to unravel the mysteries of Mars' interior, the prospect of an active, dynamic planet reshapes our search for life beyond Earth.