UFOs have intrigued people for decades, with sightings and investigations dating back to the first widely reported one in ...

Nautilus and Allonautilus cephalopods and their extinct ancestors have been drifting through the mesophotic zone of the ocean ...

Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants ...

If the government confirms nonhuman intelligence, psychological research offers clues about the range of ways humans might ...