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When Did Life Appear on Earth? New Evidence Suggests It Started Shockingly Billions of Years Earlier than We Thought
For decades, scientists believed that life on Earth took at least a billion years to get started. The prevailing idea was ...
The odds of a city-killer asteroid impact in 2032 keep rising. Should we be worried?
Two weeks ago, when Ars first wrote about the asteroid, designated 2024 YR4, NASA's Center for Near Earth Object Studies ...
Scientific American4d
‘City Killer’ Asteroid’s Earth Impact Risk Rises and Falls Again
The asteroid 2024 YR4 probably won’t come nearly as close to Earth anytime soon as the space rock in this artist’s ...
Asteroid twice the size of Chicago spun Jupiter's moon around, made gravity anomaly
A massive asteroid with a surface area approximately ... This hypothesized event is known as the Late Heavy Bombardment, and ...
Nature1y
Bombardment of the early Solar System
Long after the planets of the Solar System formed, catastrophic collisions continued, with a climax about 4 billion years ago during an interval called the Late Heavy Bombardment. The scars of ...
Indiatimes18d
Asteroid hits the Moon, forms massive canyons in just 10 minutes— How did it happen?
A collision that changed everything Around 3.8 billion years ago, an asteroid or comet crashed into the Moon near its south pole. The impact, happening at an extremely high speed, created two huge ...