A fleet of ball-shaped rovers could drift across the Martian surface like tumbleweed, driven simply by the wind.

Around 66 million years ago, the reign of the dinosaurs came to a fiery end. An asteroid about 7 miles (12 kilometers) wide, flying at 27,000 mph (43,000 km/h), slammed directly into Earth. The impact ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The dinosaur-killing asteroid that struck Earth around 66 million years ago was huge — around 7 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When it smashed into Earth "with the energy of about 8 billion times a World War II-era nuclear ...

A swarm of spherical rovers, blown by the wind like tumbleweeds, could enable large-scale and low-cost exploration of the Martian surface, according to results presented at the Joint Meeting of the ...

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