Amateur astronomers gazing at Mars discovered gigantic plumes soaring more than 125 miles above the planet’s surface, a phenomenon that so far defies explanation.
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.
Obsidian tools tell a different story than the theory that the Rapa Nui civilization collapsed all at once amid mass starvation.
A young boy is claimed to have lived a past life as a Marine killed in combat, though psychology can likely explain this mystery.
Giant gypsum crystals -- some of which are in excess of 30 feet long and half a million years old -- are found deep within the Naica mine in Chihuahua, Mexico and are renowned for their spectacular beauty.
Square, straight and ringlike ditches scattered throughout the Bolivian and Brazilian Amazon were there before the rainforest existed, study finds.
The mysterious spirals are in fact an environmental art installation.
The active search for the long-lost bird of science and myth -- the ivory-billed woodpecker -- is officially ending. At least it is for the Cornell Lab of Ornithology. "The preliminary conclusion we've come up with at this point is that it's unlikely that there are recoverable populations of ivory-...
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