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Trace hydrogen chloride above Alba Mons fissures suggests Mars may remain volcanically active

The European Space Agency’s Trace Gas Orbiter detected hydrogen chloride above fissures near Alba Mons, a vast Martian volcano. The emissions, together with relatively young fissures, point to possible ongoing subsurface volcanic activity and could help researchers investigate whether conditions beneath Mars’ surface are habitable.

2026-11-04T11:15:25.110853-08:00

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NASA Spaceflight

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Trace hydrogen chloride above Alba Mons fissures suggests Mars may remain volcanically active

The European Space Agency’s Trace Gas Orbiter detected hydrogen chloride above fissures near Alba Mons, a vast Martian volcano. The emissions, together with relatively young fissures, point to possible ongoing subsurface volcanic activity and could help researchers investigate whether conditions beneath Mars’ surface are habitable.

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Space.com

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ESA’s Hera spacecraft resolves Didymos and Dimorphos ahead of close study of NASA’s DART impact

The European Space Agency’s Hera planetary-defense probe has imaged Didymos and its smaller moon Dimorphos as separate objects for the first time, as it approaches the binary asteroid system. Hera will investigate the aftermath of NASA’s DART collision, collecting data on kinetic-impact deflection and probing outstanding scientific questions about the asteroids.

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European Spaceflight

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ESA to support industry-led reusable booster flight demonstrations

The European Space Agency plans to support industry-led flight demonstrations of reusable rocket boosters through its Boosters for European Space Transportation (BEST!) initiative. The effort puts ESA behind companies demonstrating booster recovery and reuse, a key step toward developing reusable launch systems in Europe.

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ESA chief heads to UAE as Europe seeks space partners beyond the US

The European Space Agency’s head is due to meet officials in the United Arab Emirates this week as Europe looks to build new partnerships for space exploration and reduce its reliance on the United States. The visit signals a push to broaden the bloc’s international space relationships.

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