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After a heavy rain, rivers often turn brown with sediment, sand, silt and soil washed from the landscape that play a vital role in shaping rivers.

Written by Lucy Lim, Planetary Scientist at NASA’s Goddard Space Flight Center Earth planning date: Friday, July 31, 2026 As mentioned in the previous blog, Curiosity has been exploring a large-scale feature in Gale’s sedimentary record suspected to be an “erosional supersurface.

A study led by Professor Jimmy Jiujiu Jiao from the Department of Earth and Planetary Sciences at The University of Hong Kong (HKU) and Professor Meng Li from Shenzhen University has identified microbial fermentation as the likely main pathway for ammonium production in sediments

Every monsoon, India's rivers turn brown. To most of us, that color simply means muddy water. But hidden within it is the material that builds fertile floodplains, creates river islands, nourishes deltas and even shapes coastlines: sediment.

Along the three coasts of the contiguous United States, a silent race unfolds. Fueled by climate change, sea levels rise faster than at any time in recent geologic history. Meanwhile, coastal wetlands cling to a slim lead, lifted on newly accumulated sediments or moving inland as

Seagrasses are among the most important foundation species in coastal ecosystems, providing habitat for marine life, stabilizing sediments and helping improve water quality. Yet nearly 20% of the world's historic seagrass cover has been lost, and efforts to restore these vital un

Análise de rochas marinhas de milhões de anos desafia explicações tradicionais sobre as correntes oceânicas responsáveis pela regulação térmica do planeta