Science ❯ Geology ❯ Mineralogy

Volcanic Rocks

Fluid Alteration Extraterrestrial Samples

Perseverance’s ‘Leopard-Spot’ Rock Tagged a Potential Biosignature as Fresh Skepticism Surfaces

Researchers say only Earth lab tests on Perseverance’s sealed Sapphire Canyon sample can determine whether biology or geology made the patterns.

Perseverance Maps Repeated Habitable Water Episodes in Jezero, Study Finds

Advanced Microscopy Reveals Fiery Origins of Apollo’s Orange Lunar Glass Beads