At the heart of the asteroid belt, a celestial object named Psyche deeply intrigues the scientific community. With its diameter of 226 kilometers (about 140 miles), its improbable metallic structure ...
In mid-February 2025 astronomers announced that 2024 YR4—a recently discovered asteroid big enough to severely damage or even destroy a city—stood a 3.1 percent chance of hitting Earth in 2032. At ...
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