James Webb recently peered at an alien world that could harbor life. Scientists are starting to ponder the impact of such a seismic discovery.

Feeding Frenzy as Freshwater Fish Eat Worms from a Hand ...

Mysterious flying objects. Claims of crashed alien spacecrafts. The U.S. has spent decades inquiring into the unknown—here's what they've learned. This image released by the U.S. Department of ...