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Gaia telescope retires: Scientists bid farewell to 'the discovery machine of the decade' that mapped 2 billion Milky Way starsAfter 11 years mapping the Milky Way, the European Space Agency's Gaia space telescope has retired. Scientists hailed it as "the discovery machine of the decade."
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'Unlike any objects we know': Scientists get their best-ever view of 'space tornadoes' howling at the Milky Way's centerScientists have gotten the best-ever view of 'space tornadoes' howling near the Milky Way's black hole. The cosmic twisters could play an important role in distributing organic molecules throughout the galaxy.
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A giant extraterrestrial 'wave' hit Earth 14 million years ago — and may have dramatically altered our planet's climateOur solar system's journey around the center of the Milky Way takes it through varying galactic environments, and one may have had a lasting impact on Earth's climate, according to a new study.
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'This doesn't appear in computer simulations': Hubble maps chaotic history of Andromeda galaxy, and it's nothing like scientists expectedAn ambitious new survey by the Hubble Space Telescope offers the first bird's-eye view of all known dwarf galaxies orbiting the Andromeda galaxy. The data suggests Andromeda had a chaotic past unlike anything scientists expected.
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Did a supernova 6 million years ago kickstart evolution in Africa? New study offers a clueA curious connection between an ancient supernova and virus diversification in one of Earth's biggest lakes means that crazy cosmic events may have had more influence on our planet than we thought.
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NASA supercomputer reveals strange spiral structure at the edge of our solar systemThe mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it looks like. Now, new simulations may have given them a first glimpse.
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James Webb Space Telescope discovers mysterious flares near the Milky Way's monster black holeSagittarius A*, our galaxy's supermassive black hole, is constantly producing strange eruptions. Astronomers are using the James Webb Space Telescope to find out why.
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Scientists discover giant galaxy 32 times bigger than Earth's — and they named it 'trouble'Scientists have discovered an enormous radio galaxy 32 times the size of the Milky Way. They nicknamed it "Inkathazo," or "trouble," as the team struggles to understand the physics behind it.
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Milky Way quiz: How well do you know our home galaxy?Quiz Test your knowledge of the Milky Way's size, speed, age, galactic neighbors and more.
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