NASA's OSIRIS-REx mission is scheduled to return samples of Asteroid Bennu to Earth. Credit: NASA Goddard Space Flight Center ...

Four accused persons were arrested and sent to judicial custody over the shirtless protest that allegedly took place at ...

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NASA says that the chances of the asteroid known as 2024 YR hitting Earth have been virtually eliminated—but there is a small ...

A NASA planetary defense officer warns thousands of near-Earth asteroids capable of destroying a city remain undetected.

NASA's top planetary defense expert reveals the biggest threat isn't Hollywood-style doomsday rocks, but undiscovered 'city-killer' asteroids. While large and small threats are known, an estimated 25, ...

NASA experts warned that human beings are vulnerable to thousands of hidden “city-killer” asteroids. A new space telescope may improve detection, but we currently lack tools to stop a threat., US Buzz ...

NASA's head of planetary defence, Dr Kelly Fast, has issued an unsettling update on thousands of ‘city-killer’ asteroids that could hit Earth.

"We would not have any way to go and actively deflect one right now," warns the scientist who led NASA's DART mission.

While not an official term, "city-killing asteroids" refers to asteroids large enough to significantly damage cities if they were to crash into Earth, the scientists said. Asteroids are rocky, airless ...

James Webb Space Telescope (JWST) will provide insights far more precisely than ground telescopes can manage now, as the rock is too far away for most Earth-based instruments.

A planetary defense expert working for NASA warned that humanity has no defense against up to 15,000 undetected near-Earth asteroids that could wipe out a city.