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It's hard enough to weigh something as itty bitty as atoms or molecules. Factor in that they're careening by faster than Jeff Gordon on steroids, and you get an idea what scientists are up against. Using comet particles from NASA's Stardust mission as an example, this article explains how scientists measure atoms, and what kind of secrets they can uncover in the process.

Molecular fossils of chlorophyll (called porphyrins) more than 1.1 billion years old find suggest that photosynthesis began 600 million years earlier than previously established.

MagLab geochemist Jeremy Owens analyzed ancient fossils for the multi-institutional study published today in Nature.

Volcanic activity, declining ocean oxygen triggered mass extinction of ancient marine organisms.

Vincent Salters joins the elite ranks of American Geophysical Union fellows.

MagLab data provide compelling evidence that extensive oxygenation took place in the ocean millions of years before the atmosphere’s “Great Oxidation Event.”

In findings that could shed light on current climate changes, researchers find conclusive evidence linking rising sea levels and lowering oxygen levels to decimation of marine species.

Using powerful instruments at the National MagLab, scientists discovered that older dissolved organics from deforested areas were more energy-rich, and potentially more harmful to the planet.

New study resolves a longstanding paleoclimate mystery.

Using a novel technique, researchers uncover secrets hidden deep below the surface of our planet.

Evidence indicates that this Antarctic airburst is the largest known airburst ever.

Researchers believe the ocean oxygenation occurred over a few tens of thousands of years, a very brief period in Earth’s geological history.

At research conducted at the MagLab, a young geochemist uncovers the surprisingly violent origins of a meteorite.

Keeping track of where on earth our poles are is practically a full-time job.

Paleobiogeochemist (no, that's not a typo) Nur Gueneli put some ancient dirt into our magnets to learn more about the Earth's earliest inhabitants.

Looking for clues on climate change, a scientist digs up the dirt on peat from around the world.

MagLab scientist Yang Wang joins an expedition to unearth the oldest woolly rhino fossils ever found.

Thanks to new funding, MagLab geochemist Jeremy Owens will learn more about ancient climate change, extinctions, oxygen levels, and new species to understand future climate impacts.