YR4 has a roughly 2 percent chance of hitting Earth in 2032, and “is large enough to cause localized damage,” NASA says.

A Big Job for Little Pay, But At Least the Bots Do the Heavy Lifting Astronomics is an asteroid mining adventure ... ore deposits, and plants within its range, while roomba-like workers carry ...

An asteroid with a 1 in 2,700 chance of hitting ... “The abrupt impact winter would provide unfavourable climate conditions for plants to grow, leading to an initial 20–30% reduction of ...

A weak magnetic field likely attracted matter inward, contributing to the formation of the outer planetary bodies, from ...

Ferns are hardy, often the first to pierce lava fields, for example ... environmental conditions pre asteroid impact has also taken time, and a vast trove of paleoclimate literature. For now, ...

Did a collision with a giant asteroid or comet change the shape of ... darkening and chilling Earth to deadly levels for most plants and, in turn, many animals. Then, when the dust finally settled ...