More space technology must be developed to prevent "city-killing asteroids" from hitting Earth, experts recommended at a recent science conference. While the risk is low, mid-size asteroids near Earth ...
Our planet is currently defenseless against “city killer” asteroids, noting “we don’t know where they are,” a leading scientist has warned this week. Astronomer Kelly Fast, NASA’s planetary defense ...
Bruce Willis and Ben Affleck stopped a Texas-sized asteroid from crashing into the Earth in the 1998 science-fiction movie “Armageddon.” But a NASA expert said recently the greatest concern isn’t the ...
A paternity test is pending, but Bennu and Ryugu could turn out to be long-lost twins, separated at birth by a cosmic cataclysm. New research by a University of Arizona-led team suggests the two ...
Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...
Asteroid 2024 YR4 is no longer headed for Earth, but the fear it caused has astronomers worried about scare tones in the media. The asteroid initially had an approximate 3% chance for impact with ...
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“It keeps me up at night”: NASA warns Earth is threatened by 15,000 asteroids big enough to wipe out a city
On 14 February 2026, at the American Association for the Advancement of Science annual meeting in Phoenix, Arizona, Kelly Fast presented data on a persistent gap in planetary defense capabilities.
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