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2 supermassive black holes may collide 100 years from now — and Earth would feel itIn a galaxy 500 million light-years away, two supermassive black holes could merge, spreading gravitational waves across the universe.
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Bright-green fireball meteor caught exploding above famous Viking raid site in UKPhotographers caught a spectacular emerald-green fireball meteor streaking above Lindisfarne in northeast England, where Viking raiders famously killed and robbed Christian monks in the eighth century.
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Northern lights may be visible from several US states Friday and Saturday as giant hole opens up in sun's atmosphereA large hole opened up in the sun's atmosphere this week, spewing high-speed solar winds that will paint northern lights displays across several U.S. states this weekend.
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The first black hole ever discovered is spewing 'dancing jets' at half the speed of lightAstronomers have accurately measured the "dancing" energy jets of the first confirmed black hole, Cygnus X-1, more than 60 years after it was first spotted.
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Stephen Hawking's black hole paradox could be solved — if the universe has 7 dimensionsStephen Hawking's theory of black hole evaporation clashes with the laws of quantum mechanics. A new paper finds a way around this paradox, provided that the universe has seven dimensions.
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There were 'audible screams of delight': Why Artemis II sightings of meteor flashes on the moon have scientists giddyMeteorite strikes spotted on the moon by the Artemis II crew will help scientists assess dangers to future moon bases, infrastructure, and astronauts.
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Does the moon look the same from everywhere on Earth?The moon's orientation changes quite dramatically across time and between places, largely due to differences in perspective.
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I found a new meteor shower — and it comes from an asteroid getting baked to bits by the sunA NASA researcher in planetary sciences explains how he discovered a new meteor shower linked to a disintegrating asteroid.
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The moon is green and brown? Why scientists are already excited about Artemis II's historic lunar photosAs Earth reels at the beauty of Artemis II's historic lunar flyby photos, geologists working on the mission are excited for big insights about the moon.
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