Multiple sightings of ghost planes have been reported over Derbyshire.
A college security guard encounters the spirit of a student who committed suicide.
A new project proposing that galaxy-spanning alien civilisations should generate detectable heat has turned up a few dozen galaxies that hold promise as harbours for life.
Intesting images released by NASA show multiple unknown objects on the surface of the moon.
Video footage of a pyramid structure on on Lunar Surface in Ryder Crater
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