The most famous mysteries cannot be explained by science, right? I mean, that has to be the reason why they're still so popular. Well, actually, no; they can!

Add Yahoo as a preferred source to see more of our stories on Google. When it comes to unsolved mysteries and events in the world, the most popular one that comes to mind is the D.B. Cooper case. It ...

For almost 200 years, the Singapore Stone has been one of the Southeast Asian's unsolved inscription mysteries. It was once a massive sandstone monolith at the mouth of the Singapore River, with an ...

The Euclid space telescope has discovered 31 ancient quasars, including the earliest known, raising new questions about black ...

By Will Dunham WASHINGTON, July 8 (Reuters) - A quasar — among the universe's most luminous and energetic objects — is a ...