Last September, NASA purposefully smashed a spacecraft into Dimorphos, a 160m-wide space rock orbiting a larger asteroid named Didymos. The goal of the mission, called DART (the Double Asteroid Redirection Test), was to demonstrate ...
Planetary Sciences
Nov 6, 2023
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After NASA's DART mission slammed into asteroid Dimorphous in September 2022, scientists determined the impact caused tons of rock to be ejected from the small asteroid's surface. But more importantly, DART's impact altered ...
Astronomy
Sep 8, 2023
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Wayward asteroids present a real collision hazard to Earth. Scientists estimate that an asteroid measuring several miles across smashed into Earth 65 million years ago and wiped out the dinosaurs, among other forms of life, ...
Astronomy
Jul 20, 2023
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What would we do if we spotted a hazardous asteroid on a collision course with Earth? Could we deflect it safely to prevent the impact?
Space Exploration
Mar 4, 2023
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NASA's Double Asteroid Redirection Test (DART) was Earth's first attempt at launching a spacecraft to intentionally collide with and deflect an asteroid as a planetary defense technique. On September 26, 2022, the DART spacecraft ...
Astronomy
Mar 1, 2023
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Since NASA's Double Asteroid Redirection Test (DART) spacecraft intentionally slammed into the asteroid moonlet Dimorphos on Sept. 26—altering its orbit by 33 minutes—the investigation team has been digging into the implications ...
Space Exploration
Dec 22, 2022
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421
The impact experiment conducted on the asteroid Ryugu by the Japanese Hayabusa2 mission that took place two years ago resulted in an unexpectedly large crater. With the use of simulations, a team led by the University of ...
Planetary Sciences
Nov 30, 2022
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After months of effort, astronomers have succeeded in capturing the momentary shadow cast by the Didymos asteroid, from tens of million kilometers away as it passed in front of far-distant stars—a feat of observation only ...
Astronomy
Oct 20, 2022
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Two tails of dust ejected from the Didymos-Dimorphos asteroid system are seen in new images from NASA's Hubble Space Telescope, documenting the lingering aftermath of NASA's Double Asteroid Redirection Test (DART) impact.
Astronomy
Oct 20, 2022
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The stock market is dipping, inflation is on the rise and there is no end in sight to the war in Ukraine. But not all the news is bad: Our planet just got a bit safer, thanks to NASA.
Astronomy
Oct 17, 2022
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