Sources: USA Today
The European Space Agency announces that the chances of asteroid 2024 YR4 impacting Earth in 2032 has decreased to 1.5% (1-in-67), and is likely to decrease further to less than 1%. 2025-02-21
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
The European Space Agency spacecraft "Hera" is successfully launched on a Falcon 9 Block 5 rocket by SpaceX from the Cape Canaveral Space Force Station in Florida, United States. The spacecraft will study the asteroid 65803 Didymos and evaluate the impact of the earlier Double Asteroid Redirection Test. 2024-10-7
A small 1.5 m asteroid, 2024 RW, is predicted to fall harmlessly as a fireball over the island of Luzon in the Philippines at approximately 16:40 UTC (00:40 local time), the ninth asteroid to be successfully discovered before impacting Earth. 2024-09-4
NASA's DART spacecraft successfully impacts Dimorphos at 23:16 UTC, becoming the first spacecraft to impact an asteroid. 2022-09-26
The United States government releases a Near-Earth Object Preparedness Plan for reducing risks of asteroid or comet impacts. 2018-06-20
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
NASA's "Dawn" spacecraft enters orbit around the dwarf planet Ceres. 2015-03-6
A newly observed near-Earth asteroid 2013 ET with an estimated diameter of about 100 meters comes within 960,000 km from the Earth's surface. 2013-03-9
Forty-one scientists publish a paper in "Science" affirming that the Cretaceous–Paleogene extinction event, the large-scale mass extinction of dinosaurs and other lifeforms on Earth ~65.5 million years ago, was caused by an asteroid impact. 2010-03-4