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The Materials Scientist Who Studies the Innards of Exoplanets
Federica Coppari uses the world’s most powerful laser to recreate the cores of distant worlds.
Astronomers Find Secret Planet-Making Ingredient: Magnetic Fields
Scientists have long struggled to understand how common planets form. A new supercomputer simulation shows that the missing ingredient may be magnetism.
Iceland’s Eruptions Reveal the Hot History of Mars
The new volcanic fissures are more otherworldly than they first appear.
Scientists Pin Down When Earth’s Crust Cracked, Then Came to Life
New data indicating that Earth’s surface broke up about 3.2 billion years ago helps clarify how plate tectonics drove the evolution of complex life.
Rumbles on Mars Raise Hopes of Underground Magma Flows
Small and cold, Mars has long been considered a dead planet. But a series of recent discoveries has forced scientists to rethink how recently its insides stopped churning — if they ever stopped at all.