A fast-moving asteroid called 2026 DG7 is set to pass relatively close to Earth. Scientists say it poses no danger, but the event is drawing attention from space agencies worldwide. Why?

NASA's Jet Propulsion Laboratory reports that the near-Earth asteroid 2021 ER will approach Earth on Friday for a safe yet close flyby. The asteroid is roughly 44 feet wide, which equals the ...

"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

Asteroid 2026 CU1 will sweep past Earth this week at high speed, close enough to attract attention yet deemed safe, raising ...

Estimating a mass for a potentially hazardous asteroid (PHA) is perhaps the single most important thing to understand about ...

NASA has revealed a major update on the massive “city killer” asteroid amid fears after scientists debated using nuclear ...

NASA’s Lucy spacecraft is closing in on its second close encounter with an asteroid, expected to happen on April 20, 2025. This pass marks another key step in a long journey that began in 2021 and ...

NASA's Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the unexplored swarms of asteroids near Jupiter. It will be the second asteroid ...