The hefty space rock 2014 TN17 is large enough to wipe out a city, but it will pose no risk to our planet when it sails by ...

City killer' asteroid now has 3.1% chance of hitting Earth ... when it briefly had a 2.7 percent chance of striking Earth in 2029 -- a possibility later ruled out by additional observations.

A similar scenario unfolded in 2004 with Apophis, an asteroid initially projected to have a 2.7% chance of striking Earth in 2029 ... YR4 falls into the "city killer" category.

“It's a city-killer asteroid. But because it's so small ... The 400m-wide Apophis will pass roughly 30,000km from Earth on April 13, 2029, he said.

Characterized as a potential "city-killer," the asteroid was first detected in December and its odds of impacting our planet have fluctuated since then, according to NASA and the European Space ...

After two months of observations, NASA scientists have officially declared Earth safe from “city-killer” asteroid 2024 YR4. On Tuesday, the space agency recently placed space rock’s impact ...

The last time an asteroid bigger than 30 metres wide posed such a significant risk was Apophis in 2004, when it briefly had a 2.7 percent chance of striking Earth in 2029 – a possibility also ...

In the second hour of "Connections with Evan Dawson" on 3/11/25, astrophysicist Brian Koberlein explains the science behind the "city-killer" asteroid (which is no longer expected to hit earth).

YR4 has now been reassigned to Torino Scale Level Zero, the level for 'No Hazard' as additional tracking of its orbital path has reduced its possibility of intersecting the Earth to below the ...

The last time an asteroid bigger than 30 meters wide posed such a significant risk was Apophis in 2004, when it briefly had a 2.7% chance of striking Earth in 2029 — a possibility also ruled out ...