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Vesta, the 2nd-largest asteroid in the solar system, may be a piece of a lost planetVesta, thought to be the second-largest asteroid in the solar system, could be a piece of an ancient, unknown planet, a new study hints.
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Dinosaurs might still roam Earth if it weren't for the asteroid, study suggestsThe dinosaurs were not in decline before the asteroid hit, a new study finds. Instead, poor fossilization conditions and unexposed late Cretaceous rock layers mean they're either not preserved or hard to find.
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NASA's Lucy spacecraft snaps first close-ups of weird peanut-shaped asteroidNASA has released the Lucy spacecraft's first close-up images of asteroid Donaldjohanson, revealing a peanut-shaped rock that could shed light on how planets formed in our solar system.
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Asteroid 2024 YR4 surprises scientists with 'unusual' shape and could slaphsot the moonThe once-dubbed "city-killer" asteroid 2024 YR4 has surprised scientists with its 'unusual' shape as it rapidly rotates through space on a trajectory that could see it hit the moon.
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'Potentially hazardous' pyramid-size asteroid will make its closest flyby of Earth for more than 100 years this WednesdayThe hefty space rock 2014 TN17 is large enough to wipe out a city, but it will pose no risk to our planet when it sails by this Wednesday (March 26). Researchers will monitor it carefully during its close approach.
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52-foot-high 'megaripples' from asteroid that killed the dinosaurs mapped deep beneath Louisiana in 3DBuried "megaripples" — some the size of five-story buildings — are helping scientists piece together the devastation following the impact that wiped out the nonavian dinosaurs.
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'That's Zero Folks!': Asteroid 2024 YR4 is no longer a hazardThe likelihood of asteroid 2024 YR4 hitting Earth in 2032 rose and fell last week. NASA's impact odds are now so slim that the asteroid is no longer a hazard on the Torino asteroid scale.
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What if a giant asteroid had not wiped out the dinosaurs?Nonavian dinosaurs have been extinct for 66 million years, but what would have happened if they'd survived?
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'Just the tip of the iceberg': Why risky asteroids like 2024 YR4 will pester Earth for decades to comeThe world is watching as NASA tweaks the odds that asteroid 2024 YR4 will hit Earth. But how threatening is YR4, and how does it compare to other potentially hazardous space rocks?
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