Plutonium discovered at the bottom of the ocean was found to be refuse from a kilonova that exploded close to Earth 10 million years ago. Kilonovas occur when binary neutron stars spiral closer and ...

It took just 1 hour and 40 minutes for the moon's shadow to race more than 4,000 miles (6,500 kilometers) across the ...

wide SPA basin around 4.2 billion years ago modified the chemical and physical properties of the moon's mantle in this region. Chang'e 6 was China's second lunar sample return mission, following ...