Earth

What the rise of oxygen on early Earth tells us about life on other planets

Published: 31Jan2022

When did the Earth reach oxygen levels sufficient to support animal life? Researchers from McGill University have discovered that a rise in oxygen levels occurred in step with the evolution and...

By 2500 earth could be alien to humans

Published: 13Oct2021

To fully grasp and plan for climate impacts under any scenario, researchers and policymakers must look well beyond the 2100 benchmark. Unless CO2 emissions drop significantly, global warming by...

Isotopic memory of atmospheric persistence

Published: 14Jan2015

Chemical analysis of some of the world’s oldest rocks, by an international team led by McGill University researchers, has provided the earliest record yet of Earth's atmosphere. The results show...

New theory on how Earth’s crust was created

Published: 5May2017

More than 90% of Earth’s continental crust is made up of silica-rich minerals, such as feldspar and quartz. But where did this silica-enriched material come from? And could it provide a clue in the...

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