The Bubble Nebula is seven light-years across—about one-and-a-half times the distance from our sun to its nearest stellar neighbor, Alpha Centauri, and resides 7,100 light-years from Earth in the constellation Cassiopeia.
READ MOREA UFO hunter claims to have spotted a mining complex on the surface of the Moon.
READ MOREAn odd luminous orb, meandering through a neighborhood in North West England, was caught on a security video last month.
READ MOREHillary Clinton campaign chair John Podesta told CNN’s Jake Tapper Thursday that he will encourage Clinton to declassify UFO-related files if she wins in November.
READ MORECoronal Holes in our sun; is it something we should be worried about, or is it a natural phenomenon?
READ MOREVikings weren’t known to have traveled into the mountains, but a viking sword has been discovered up in the mountains.
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