After taking more than 4,000 photos with the Galaxy S25 Ultra in the past four months, here's what Samsung's camera powerhouse does well and badly.

Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy. These "free-floating" worlds don't orbit stars, but instead roam the ...

Think you’re a pro at solving hard riddles? Put yourself and others to the test, and find out. (Don't worry—answers are ...

Multiple rounds of voting likely will be required before a candidate emerges with the two-thirds majority required to become ...