City-Killer Asteroid Appears to be Disk-Shaped; was Interstellar Visitor ʻOumuamua the Same?

While the chance of it hitting the Earth has been ruled out since its discovery late last year, the city-killer-sized asteroid 2024 YR4 appears to be shaped like a squat disk, more akin to a hockey puck than the usual rounded lump that most asteroids form. This is a concept similar to the one proposed […]

‘City-Killer’ Asteroid has a Small—but Non-Zero—Risk of Striking Earth in 2032

  A sizable “city-killer” asteroid that was discovered late last year has been calculated to have a one in 77 chance of striking the Earth just eight years from now, according to NASA’s Jet Propulsion Laboratory. Although the chance of impact is still very low, the object’s higher than one percent chance of impacting the […]

From the Dark Depths Beyond Jupiter: The Origin of the Dinosaurs’ Killer Asteroid Revealed

Ever since the discovery of the ancient crater left over from the massive impact that wiped out the dinosaurs 66 million years ago, researchers have sought to uncover the origin of the meteor that heralded the extinction of more than three-fifths of life on Earth: was it an asteroid that originated from the depths of […]

An Asteroid Impact May Have Destroyed a Major Bronze Age Civilization

Archeologists studying a site in the lower Jordan Valley have discovered that a major Bronze Age city shows evidence of having been destroyed by a Tunguska-like asteroid impact 3,600 years ago, an impact that may have devastated the entire region at that time. There is also the contention amongst some scholars that the city in […]