Sedimentary rock is one of the three main rock groups (along with igneous and metamorphic rocks) and is formed in four main ways: by the deposition of the weathered remains of other rocks (known as ...

We often talk about climate change, melting glaciers, or strange landforms. But we rarely think about something that’s always around us– rocks. They don’t make the news, but they’re everywhere. We ...

Authors recieved research funding from the National Science Foundation (NSF). Christine Siddoway has received research grants from the NSF Office of Polar Programs. Rebecca Flowers has received ...

In Jezero Crater’s Bright Angel formation, Perseverance has found rocks rich in organic molecules and minerals linked to microbial metabolism. Their arrangement hints at redox reactions that resemble ...

Alan Collins receives funding from the Australian Research Council, MinEx CRC, BHP, Santos, Empire Energy, Teck Resources and the NT, SA and WA Governments. He is affiliated with the Geological ...