Lucy’s next stop — “the main event,” as Levison calls it — will be the Trojan asteroids that share Jupiter’s orbit around the sun. Swarms of Trojans precede and follow the solar system’s largest ...

The Earth is constantly at risk of collisions with celestial objects, including asteroids and comets, which are present in vast numbers in space. To mitigate these risks, NASA is actively engaged in ...

The first was a flyby of the asteroid Dinkinesh on Nov. 1, 2023. This coming Sunday, Lucy will zip past her second target, ...

The Lucy mission is on a 12-year journey to explore a peculiar set of asteroids that lead and follow Jupiter as it orbits the Sun. As it journeys to these Trojan asteroids, the probe is preparing for ...

Lindley Johnson has been a pioneer in blueprinting warning and response scenarios to any potential impact of Earth by an ...

NASA has issued a warning about asteroid 2023 KU, a 370-foot-wide space rock traveling at over 64,000 km/h. Expected to safely pass Earth on April 11, 2025, at a distance of 1 million km ...

Lindley Johnson has been a pioneer in blueprinting warning and ... of Earth by an asteroid or comet. He led the establishment of the Planetary Defense Coordination Office at NASA in January ...

The NASA-funded Catalina Sky Survey, meanwhile, is one of the world’s leading asteroid hunting operations, with observers posted nightly at telescopes on Mount Lemmon and Mount Bigelow north of ...

NASA’s Lucy spacecraft is closing in on its second close encounter with an asteroid, expected to happen on April 20, 2025.