A farmer in Chile has found two mummified animals and claims they may be the remains of the mythical chupacabra.
A strange, flickering white blotch found on the dwarf planet Ceres by a NASA spacecraft has scientists scratching their heads.
Giant bubbles of gas that erupted from the core of the Milky Way galaxy millions of years ago are expanding out into space at mind-blowing speeds, according to new observations that may help reveal how the strange balloon-like lobes formed.
A new study suggests that at least two more planets are circling the sun far beyond Pluto’s orbit.
The weird fingerlike thing wasn’t from a bear or other wild mammal, but it also wasn’t human.
Obsidian tools tell a different story than the theory that the Rapa Nui civilization collapsed all at once amid mass starvation.
As we head into 2015, look back at some of the strangest mysteries of this past year and some of the mysteries that remain.
Astronomers may finally have detected a signal of dark matter, the mysterious and elusive stuff thought to make up most of the material universe.
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