We have been broadcasting for over 100 years. Now a new 3D map of the galaxy reveals the stars these signals have reached that can also see Earth. ...read more
Meet the Big Crunch: In this theory on the origins of the universe, the Big Bang was not the beginning, but a repeating pattern of expansion and contraction. ...read more
When sonar detected a massive object hundreds of meters below the water, operators suspected sunken islands. It was actually the deep scattering layer. ...read more
NASA assumed the Eagle module eventually crashed into the Moon. Now a new analysis suggests it is still up there and might even be detectable from Earth. ...read more