Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...

Danielle Calma is the associate testing editor at Travel + Leisure, where she supports team-wide testing efforts and helps recommend the best travel gear based on research and extensive testing. She ...

The Dark Forest theory is one proposed solution to the famed Fermi Paradox, which has bewitched astronomers for more than half a century. To put it concisely, the paradox asks if the cosmos is nearly ...

The question Jesus asked the Jews about John the Baptist’s authority can well be asked about another matter, speaking in tongues: Is it from heaven or from men? Is it a manifestation of divine power ...