Venus: Early impacts on the planet may have made it far hotter than Earth

Collisions with high-speed space rocks in Venus’s early history could have melted most of the planet’s mantle and driven any water into the atmosphere Space 17 December 2021 By Jonathan O’Callaghan Artist’s rendering of an early, large collision on Venus Southwest Research Institute/Simone Marchi High-speed impacts on Venus early in its history could help explain … Read more

It’s Not Actually Size That Determines How Deadly a Meteor Is

We have a lot to thank meteorites for. Had they not instigated several mass extinction events, including wiping out non-avian dinosaurs, we probably wouldn’t be here today. But some things still don’t add up about the massive scale of decimation they can cause.   “For decades scientists have puzzled over why some meteorites cause mass … Read more