Arcturus (at a magnitude of -0.05), one of the few stars mentioned by name in the Bible, is a giant, about 25 times the ...

Much like its creator, Elon Musk's artificial intelligence chatbot Grok was preoccupied with South African racial politics on social media this week, posting unsolicited claims about the persecution ...

Bear sprays are most commonly used by backwoods hikers and campers as a defence in any surprise encounter with the large wild omnivores. The spray, which can be shot at a distance, causes the mucous ...

The quirks of light moving through gas are the cause of stellar twinkling, which can be a bane—and sometimes a boon—for ...