The answer is as obvious as it seems – the Earth looks flat when you're standing on it, not cone-shaped. Visual evidence ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's everything to know about it.

Older Americans who are worried about young people’s social media use should probably take a hard look at their own online habits, according to a new study. Older users are more likely to promote ...