In a groundbreaking studypublished in Seismological Research Letters, Australian National University (ANU) scientists have ...

Mars' core formed at a surprising speed, much faster than Earth's. Recent experiments reveal the key role of iron and nickel sulfides in this process. Planets like Mars are structured in ...

The nature and evolution of stars, galaxies, galaxy clusters, dark matter and dark energy—and our attempts to understand these things—allow us to pose the ultimate questions and reach for the ultimate ...

More than 514 million years ago, long before dinosaurs roamed Earth, sponge-like creatures called archaeocyathids were ...