Bright white rocks spotted by NASA’s Perseverance rover are rewriting what we thought we knew about ancient Mars. These ...

Researchers have shown that weathering of rocks in the Canadian Arctic will accelerate with rising temperatures, triggering a positive feedback loop that will release more and more carbon dioxide to ...

The Perseverance rover is continuing its mission to find clues about the geological past of Mars. The rover’s main goals are ...

Looks like limestone’s on the menu for some unknown microbe.

The chemical weathering of continental silicate rocks by bicarbonate and rainwater leads to dissolution of silicate rocks and their constituents into rivers and streams. As these silicate rocks ...

Landscape in the upper Peel River showing exposed bedrock on steep slopes coupled to river channels, where physical weathering is producing abundant fresh material (Credit: Robert Hilton) Up to now, ...

Bright white rocks found by NASA’s Perseverance rover hint at ancient Martian rain lasting millions of years, raising new questions about how wet Mars once was and what those conditions might mean.

Iron-rich rocks at McGraths Flat preserve Miocene rainforest life in remarkable detail, reshaping ideas about how and where exceptional fossils form. Beneath agricultural land in the central ...