New Earth Bombardment Model: How Asteroid and Comet Strikes May Have Delayed Evolution of the Atmosphere

Bombardments from outer space shaped the atmosphere. In a paper published in Nature Geoscience, a team of researchers found that early asteroid bombardment may have delayed the growth of oxygen on the planet.

AI can change a fashion model’s pose and alter their clothes to match

Earth's spin has slowed. But we still may need a negative leap second.