A 2.2-billion-year-old crater is Earth’s oldest recorded meteorite impact
The newly dated Yarrabubba crater is found in Western Australia
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News Story
The accretion disk around our galaxy’s black hole has been spotted at last
Jun 2019
The finding confirms that gases are orbiting the Milky Way’s gravitational behemoth
The accretion disk around our galaxy’s black hole has been spotted at last
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Aliens could send quantum messages to Earth, calculations suggest
Jul 2022
A new study finds that quantum signals could travel over interstellar distances
Aliens could send quantum messages to Earth, calculations suggest
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An ancient galaxy grew massive — then oddly stopped making stars
Feb 2020
Something abruptly tossed star-making gas from this galaxy or stopped it from falling in
An ancient galaxy grew massive — then oddly stopped making stars
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Apollo-era moonquakes reveal that the Moon may be tectonically active
May 2019
Scientists linked the seismic recordings with a NASA orbiter’s data on surface faults
Apollo-era moonquakes reveal that the Moon may be tectonically active
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The asteroid Bennu’s brittle boulders may make grabbing a sample easier
Oct 2020
NASA’s OSIRIS-REx spacecraft is about to collect material from the space rock
The asteroid Bennu’s brittle boulders may make grabbing a sample easier
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An asteroid may have exploded over Antarctica about 2.5 million years ago
Feb 2024
Bits of rock may point to the oldest known midair asteroid disintegration
An asteroid may have exploded over Antarctica about 2.5 million years ago
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Astronomers have found the edge of the Milky Way at last
Mar 2020
Our galaxy spans 1.9 million light-years, a new study finds
Astronomers have found the edge of the Milky Way at last
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Astronomers may have spotted the first known exoplanet in another galaxy
Oct 2021
The planet appears to orbit a massive star circling a dead star in the Whirlpool galaxy
Astronomers may have spotted the first known exoplanet in another galaxy
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Astronomers may have spotted the ghost galaxy that hit the Milky Way long ago
Jun 2019
Discovered in Gaia data, Antlia 2 could be the star system scientists have been looking for
Astronomers may have spotted the ghost galaxy that hit the Milky Way long ago