Two teams are set to explore dramatically different theories about what happened to Amelia Earhart. Each believes it’s closing in on the answer.

An oddly-shaped object in the South Pacific has sparked the latest push to solve one of the greatest mysteries of all time.

A mysterious object from interstellar space, 3I/ATLAS, is currently making its closest approach to our Sun. This critical ...

A pair of space probes cruising the solar system may be able to pass through the tail of the mysterious Manhattan-sized comet ...