Astronomers are adopting new strategies in the search for extraterrestrial intelligence. A study in Monthly Notices of the ...

WASHINGTON — The Pentagon’s latest report on UFOs has revealed hundreds of new reports of unidentified and unexplained aerial phenomena but no indications suggesting an extraterrestrial origin.

From vanished civilizations to unexplained artifacts, these mysteries continue to baffle historians and scientists alike.

Video evidence is leading researchers to link seizures to some rare cases of sudden unexplained deaths in children, according to a new study.

Two out of five people surveyed said they have experienced unexplained or unusual occurrences in their home, according to the survey of 1,107 people.

New Zealand's parliament conducts after-hour tours, which center around mysterious deaths, unexplained noises, deadly storms and ghostly apparitions.

Archaeologists have discovered rare artifacts at the site of of Harriet Tubman's father's home located in Hanover, Maryland. Plates, pitchers, and bowls were found.