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Repeated signals from the center of the Milky Way could be aliens saying hello, new study claimsA new search for extraterrestrial life has scientists looking inward — toward the center of our galaxy.
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James Webb Telescope finds evidence of 'celestial monster' stars the size of 10,000 suns lurking at the dawn of timeThe James Webb Space Telescope has found key chemical fingerprints of supermassive stars just 440 million years after the Big Bang.
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'Runaway black hole,' or sneaky galaxy in disguise? Experts are conflicted.A rogue black hole may not be to blame for a mysterious streak of stars coursing through space, a new study suggests.
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'Runaway' black hole the size of 20 million suns caught speeding through space with a trail of newborn stars behind itAstronomers have discovered a "runaway" black hole, potentially the first observational evidence that supermassive black holes can be ejected from their host galaxies.
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New type of black hole found lurking in Earth's 'cosmic backyard' is closest ever discoveredThe two closest black holes to Earth, named Gaia BH1 and BH2, may be part of a rare class of black holes never seen before, new research suggests.
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How to watch Ceres, a dwarf planet 14 times smaller than Pluto, photobomb a spiral galaxy in the sky this weekendWatch live online as the dwarf planet Ceres swoops in front of the 'grand design' spiral galaxy Messier 100 this weekend.
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The early universe was crammed with stars 10,000 times the size of our sun, new study suggestsWhen the universe's first stars emerged from the cosmic dark ages, they ballooned to 10,000 times the mass of Earth's sun, new research suggests.
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James Webb telescope finds Milky Way's long-lost twin 9 billion years in the pastThe light from the distant Sparkler galaxy was spotted in the James Webb Telescope's First Deep Field and could teach us how our own Milky Way devoured other galaxies to grow.
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Scientists reveal 'invisible' galaxy from the early universe, using space-time trick predicted by EinsteinUsing the ALMA telescope in Chile and Einstein's theory of relativity, scientists observed a young galaxy in the early universe that is invisible in nearly every wavelength.
