NASA is monitoring an asteroid approximately the size of an airplane as it prepares to pass by the Earth on March 21. The ...

The six-mile-wide asteroid punched a one-way ticket toward extinction for all non-avian dinosaurs. Some 66 million years ...

But scientists revised that assessment after a precise analysis of the asteroid’s orbit in 2021. And scientists are expecting similar forecasting trends with 2024 YR4, which currently sits at a ...

Related: What happened when the dinosaur-killing asteroid slammed into Earth? In that 2021 study, the research team suggested ...

William Lucas, who has died aged 102, was the director of Nasa’s Marshall Space Flight Center in Huntsville, Alabama, the ...

While YR4's impact odds have unseated Apophis, the larger asteroid still briefly hit a higher rating of 4 on the Torino Scale. A radar observation campaign in March 2021 during a distant flyby ...

“Serpent Mound is the largest serpent effigy built anywhere on the planet Earth,” O’Grady said. “Serpent Mound is built up on top of a bluff, and the reason that bluff is there, it's part of the ...

it became more hazardous than the head-turning asteroid Apophis, which was one of the most hazardous asteroids when discovered in 2004, but was found in 2021 to not be at risk of hitting Earth for ...

a 2021 study found. If the asteroid had missed Earth, it's likely that humans, at least as we know them, never would have existed. "History would have been totally different," Brusatte said.

But scientists revised that assessment after a precise analysis of the asteroid's orbit in 2021. And scientists are expecting similar forecasting trends with 2024 YR4, which currently sits at a 3 ...