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NASA formally announces that asteroid 2024 YR4 now poses "no significant threat" to Earth in 2032 and beyond as the chances of an impact drop to 1-in-59,000 (0.0017%). This means a planetary defense mission to intercept and deflect the object in 2028 during a close flyby of Earth is no longer necessary.
2025-02-24

NASA's Center for Near-Earth Object Studies announces that the chances of asteroid 2024 YR4 impacting Earth on 22 December 2032 has increased to 3.1% (1-in-32) following further observations of its orbital trajectory. It has now surpassed the threat of 99942 Apophis which once had a 2.7% chance of hitting Earth during 2004 before later being ruled out.
2025-02-18

A 1 m near-Earth asteroid is discovered before falling as a harmless bolide over central Ontario, Canada, at 08:27 UTC. It is the sixth asteroid to be discovered before impacting Earth.
2022-11-19

NASA announces the scheduled launch of Lucy, a twelve-year space probe on the Jupiter trojan asteroids, the first mission to do so. It will launch from the Cape Canaveral Space Force Station in Florida on October 16.
2021-09-28

Boulders are discovered on the Bennu asteroid by NASA's OSIRIS-REx spacecraft, which is expected to collect samples from the asteroid's surface later this month.
2020-10-10

Astronomers rule out the chances of ~30-meter asteroid 2006 QV impacting Earth in September 2019 by eliminating the possibility of its passing through an area where it would have to be if it were on an impacting orbit. Prior to this, the asteroid had been given a one-in-7,000 chance of impacting Earth.
2019-07-17

NASA's "Dawn" spacecraft exhausts all of its hydrazine fuel propellant and without a functioning maneuvering system enters into uncontrolled motion around dwarf planet Ceres, thus ending its 11-year mission.
2018-11-1

2015 TH (previously known as V774104), a 100–400 kilometer asteroid, is announced as possibly the fourth most distant known Solar System object from the Sun at nearly 90 (±10) times Earth's distance from the Sun.
2018-03-13

Research shows that the Chelyabinsk meteor was the remnants of an asteroid that collided with another asteroid 290 million years before entering the Earth's atmosphere over Russia in February of last year.
2014-05-23

Scientists report Chinese deep-space probe Chang'e 2 successfully took a series of images of the asteroid 4179 Toutatis during flyby on 13 December.
2012-12-16