galactic

Is this the end of the world? How a galactic pile-up could bring Earth’s violent end: Cosmic ‘coin flip’

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Is this the end of the world? How a galactic pile-up could bring Earth’s violent end: Cosmic ‘coin flip’

Forget killer asteroids and nuclear annihilation — Earth’s ultimate fate may hinge on a cosmic coin toss. Astronomers have revealed that our Milky Way galaxy has a 50/50 chance of colliding with its massive neighbor, the Andromeda galaxy, sometime in the next 10 billion years — an intergalactic smash-up that could fling our solar system … Read more

James Webb Telescope discovers ‘galactic infants’ and ‘teenage’ galaxies

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James Webb Telescope discovers ‘galactic infants’ and ‘teenage’ galaxies

Since becoming operational last year, the James Webb Space Telescope has made groundbreaking observations involving some of the universe’s earliest galaxies. One might call them galactic infants. But Webb has obtained even better data on galaxies a bit further along in development. Astronomers call these the galactic “teenagers.” And, as new research shows, they resemble human teenagers in … Read more