15 trends tracked about this subject — the full history, oldest to newest below.
Astronomers have detected mysterious, high-speed gas 'bullets' emitting from V445 Puppis, the only known helium nova in the Milky Way galaxy.
Astronomers report the potential detection of the first known moon outside our solar system.
Astronomers reveal that the Milky Way may have flipped by more than 90 degrees following a massive collision with a dwarf galaxy 10 billion years ago.
Astronomers have discovered the first stellar-mass black hole within the Omega Centauri star cluster, identifying a rare long-period binary system.
Comet Tempel 2 is approaching Earth this summer, offering a rare sighting opportunity for those with the right optical equipment.
Astronomers have detected a specific four-carbon sugar lurking within a dust cloud near the center of the Milky Way galaxy.
Scientists have detected natural sugar molecules floating in interstellar space for the first time near the Milky Way's center.
Scientists are investigating whether the coldest stars in the Milky Way are actually alien megastructures designed to harvest energy.
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XMM-Newton and Chandra reveal the Milky Way’s outer arms are about 10% farther, expanding the galaxy’s known size
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Data from the Webb and Hubble telescopes confirms that the celestial object Terzan 5 contains four distinct generations of stars.
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Our galaxy’s past collision reshaped it—and another cosmic crash may be coming.