When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

A young boy who went missing three years ago has been found safe, bringing an end to a disappearance that left family, ...

An Arizona toddler who was declared dead after a near-drowning was found alive in a hospital morgue hours later, according to ...