The extinction of the dinosaurs has been a hotly debated topic for decades, and whether it was an asteroid, a volcanic eruption or even poisonous plant species. But researchers have found hard ...

(Like iridium, ruthenium is more abundant in space rocks than in Earth’s crust.) The team also analyzed ruthenium from other asteroid impact sites and meteorites. The chemical makeup of the ...

The impact released ... Was the impactor an asteroid instead of a comet—and if so, what type? Where in the vastness of space had it come from? And could the telltale iridium and global mass ...

Around 66 million years ago, an asteroid slammed into ... and One of the first signs of the impact geologists noticed was a global spike in a metal called iridium in the layer of rock dividing ...

Led by Uisdean Nicholson, a geologist at Heriot-Watt University in Scotland, scientists used 3D seismic data to measure the impact and were able to reverse engineer the size of the asteroid ...

The Asteroid Terrestrial-impact Last Alert System, or ATLAS, telescope in Rio Hurtado, Chile, first discovered 2024 YR4 on December 27. The telescope is one of the asteroid discovery programs ...

The impact pulverized the asteroid and spread its debris worldwide ... The clay layer is rich in metals including iridium, ruthenium, osmium, rhodium, platinum and palladium that are rare on ...