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Planetary Science

Dawn, the first spacecraft to orbit 2 alien worlds, has gone silent

The Dawn probe, which hopped between two objects in the asteroid belt during its seven-year mission, ran out of fuel and stopped calling home.

Physics

Vanadium dioxide’s weird phase transition just got weirder

When shifting from one crystalline structure to another, the atoms inside vanadium dioxide bumble around a lot more than expected.

Astronomy

The Milky Way feasted on a smaller galaxy 10 billion years ago

The Milky Way swallowed another galaxy billions of years ago, and the leftover stars are still roaming the sky.

Archaeology

Fossils hint hominids migrated through a ‘green’ Arabia 300,000 years ago

A once-green Arabia may have enabled Stone Age entries by Homo groups.