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Jesse Emspak

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Space

Passing star may have disturbed the solar system billions of years ago

Physics

Moon鈥檚 explosive birth drove iron deep into Earth’s core

Galaxies

Physics

We’ve found a bunch of dwarf galaxies we thought didn’t exist

Space

Brown dwarfs have strong magnetic fields just like real stars

Space

‘Impossible’ star explosions made by gas and solar wind pile-up

Space

Wonky signals from distant stars could be sign of exocomets

Kepler planetary disk

Space

鈥楢lien megastructure鈥� star may host Saturn-like exoplanet

Image of Mars from the Hubble Space Telescope

Space

Ice at Mars鈥檚 equator hints the planet was once much more tilted

Physics

Fast radio bursts may be dark matter 鈥榮tars鈥� hitting black holes

Space

Sun鈥檚 gravity could power interstellar video streaming

Space

Water telescope uses gamma rays to track new kind of pulsar

Southern Milky Way

Physics

Oddball star could be home to long-sought superheavy elements