Sources: USA Today
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 says that its DART spacecraft has successfully altered the orbit of the 520 ft asteroid Dimorphos by around 32 minutes in a demonstration of asteroid impact avoidance. 2022-10-11
JAXA space probe "Hayabusa2" delivers the first ever subsurface asteroid samples to Earth. The capsule, containing a small amount of material from Apollo asteroid 162173 Ryugu, landed in the Australian outback. 2020-12-5
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
Asteroid 3122 Florence, which is roughly 2.7 miles (4.4 kilometers) wide, comes within 4.4 million miles (7 million km) of Earth — approximately 18 times the distance from our planet to the Moon. 2017-09-1
NASA's "Dawn" spacecraft enters orbit around the dwarf planet Ceres. 2015-03-6
NASA releases new pictures from the Dawn spacecraft as it approaches from a distance of 238,000 miles of Ceres, the largest object in the asteroid belt between Mars and Jupiter. Dawn will go into orbit around the dwarf planet on March 6. 2015-01-19
Asteroid 2013 TV135 is discovered with an approximately 1 in 63,000 chance of colliding with the earth in 2032. 2013-10-18
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
4179 Toutatis, an asteroid about 3 miles wide, passes within 4.3 million miles or 18 lunar distances of the Earth. 2012-12-12