The asteroid 99942 Apophis is headed for a close flyby with Earth on April 13, 2029, and space agencies are coordinating efforts to study the object during this the once-in-a-lifetime experience.

That's why asteroid 99942 Apophis, which is about 1,100 feet across, caused such a stir when it crossed NASA's radar in 2004.

After extensive tracking and refined calculations, astronomers have claimed that the 1,100 feet wide asteroid, 99942 Apophis, also known as the “God of Chaos,” will not collide with Earth as ...

The asteroid 99942 Apophis is headed for a close flyby with Earth on April 13, 2029, and space agencies are coordinating efforts to study the object during this the once-in-a-lifetime experience.

Predicting the precise path of a new asteroid or comet is a complex affair; the more observations you have, the better you ...

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The United Nations formally adopted Asteroid Day in 2016. The decision followed a proposal from the Association of Space Explorers. It was backed by the Committee on the Peaceful Uses of Outer Space.

Only one asteroid in history has ever received a higher Torino Scale rating. In December 2024, near-Earth asteroid 99942 Apophis set the record with a rating of 4.

Should YR4 strike the Moon, the collision could eject up to 100 million kilograms of lunar debris into space. A portion of this material might enter Earth’s orbit, posing risks to satellites and other ...

Over the course of a few weeks in February, the asteroid's chances of impact grew to an impressive 3 on the Torino scale, second only to the infamous 99942 Apophis (that one has a 4 on the same ...

2024 YR4 isn't the only asteroid on the Torino scale, as initial estimates pegged asteroid 99942 Apophis as a category 4. 99942 Apophis makes 2024 YR4 look like a weakling as Apophis measures a ...