All mainstream credit card numbers obey a mathematical trick designed to catch the most common typos. It’s called the Luhn ...

This telescope has revealed the whipped-up dust from the birth of a star—and a shining background galaxy—more clearly than ...

Called subsea desalination, the idea is to remove the salt from water in the deep sea. If it worked at scale, the technology ...

Experts say the painful infection, spread to people from mosquitoes, can get to many countries if it finds the right hosts ...

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The Perseids are known for being especially swift and bright, and in a good year viewers can expect to spot between 50 and ...