How methane studies on Earth could inform the search for alien life in our solar system

Life and Language Beyond Earth review: How aliens might communicate

Astronomers have captured the first direct evidence of a black hole spinning. Scientists have predicted this, but until now direct evidence was elusive. M87 is located 55m light years from the Earth and harbours a black hole 6.5bn times more massive than the Sun.

Astronomer: If Earth Is Average, We Should Find Alien Life Within 60 Light-Years