asteroid

'Planet-killer' asteroid with potential to collide with Earth found lurking in sun's glare

‘Planet-killer’ asteroid with potential to collide with Earth found lurking in sun’s glare

For a long time, the shard of the sun has hidden a secret: a trio of space rocks with a member that could one day be dangerous for the planet. Of the three asteroids recently discovered by astronomers, two are so massive they have been described as “planet killers” – and one has the potential …

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Near-Earth 'planet-killer' asteroid spotted, largest in 8 years |  CNN

Near-Earth ‘planet-killer’ asteroid spotted, largest in 8 years | CNN

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. CNN — Astronomers have spotted three near-Earth asteroids lurking undetected in the sun’s glare. One of the asteroids is the largest potentially Earth-hazardous object discovered in the past eight years. Asteroids belong to a group …

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The 'potentially dangerous' monster asteroid is the largest seen in years

The ‘potentially dangerous’ monster asteroid is the largest seen in years

Astronomers scanning the twilight sky have discovered three previously unknown near-Earth asteroids. One of them is the largest potentially dangerous asteroid discovered in eight years. It measures about 1.5 kilometers (nearly 1 mile) in diameter and is in an orbit that could, in the future, bring it close enough to Earth to pose a problem. …

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Destroyed Observatory Issues Final Asteroid Warning After Fatal Collapse

Destroyed Observatory Issues Final Asteroid Warning After Fatal Collapse

After falling apart in December 2020, the mighty Arecibo Observatory has one last parting gift for humanity – and it’s a doozy. Using data collected by Arecibo between December 2017 and December 2019, scientists released the largest near-Earth asteroid radar report ever. The report, published on September 22 in The Journal of Planetary Scienceincludes detailed …

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An artist

A ‘potentially dangerous’ skyscraper-sized asteroid will cross Earth’s orbit on Halloween

NASA says a newly discovered “potentially dangerous” asteroid the size of the world’s tallest skyscraper is set to pass Earth just in time for Halloween. The asteroid, called 2022 RM4, has an estimated diameter of between 1,083 and 2,428 feet (330 and 740 meters) – just below the height of Dubai’s 2,716-foot (828 m) tall …

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An image of the Arecibo Observatory

Collapsed Arecibo Telescope Offers Near-Earth Asteroid Warning From Beyond The Grave

After crumble into pieces in December 2020, the mighty Arecibo Observatory has one last parting gift for humanity – and it’s a doozy. Using data collected by Arecibo between December 2017 and December 2019, scientists have released the largest near-Earth radar report asteroids never published. The report, published on September 22 in The Journal of …

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Artist

NASA won’t cancel mission to asteroid Psyche, aims for October 2023 launch

NASA’s Psyche asteroid mission ripped the head off the chopping block. The Psyche spacecraft was supposed to launch towards its namesake, a bizarre metallic space rock in the main asteroid belt, between August and October this year. But problems with Psyche’s flight software made it impossible to hit that window, leading NASA to announce in …

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NASA's asteroid probe captures haunting images of Earth and Moon

NASA’s asteroid probe captures haunting images of Earth and Moon

The Lucy spacecraft captured this image of Earth on October 15. Image: Nasa NASA’s Lucy spacecraft got its first sight of the Earth-Moon System a a year after its launch from its home planet to explore a distant swarm of asteroids. The spacecraft captured beautiful, and somewhat intimidating, images of Earth and its natural satellite …

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a rocky egg-shaped asteroid

NASA’s DART asteroid crash: What scientists have learned about Dimorphos so far

Crashing a spacecraft into an asteroid isn’t NASA’s usual approach to planetary science, but it was certainly an opportunity nonetheless. NASA Asteroid Double Redirection Test (DART) spacecraft slammed into a small asteroid called Dimorphos on September 26 to test a potential technique to protect Earth, should we end up on a collision course with a …

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