From phone boxes and flux capacitors to black holes and hot tubs, sci-fi has created plenty of ways to explore the fourth ...

Wondering what it's like to stay at Amangiri in Utah? Here's what it's really like—from the rooms to the food to the activities.

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?