If there were alien civilizations in other star systems, would they be able to detect our presence here on Earth? This is a question that could...
A team of astronomers from the European Southern Observatory (ESO) and other institutes has discovered a black hole lying just 1000 light-years from Earth. The black...
Just as the sun has planets and the planets have moons, our galaxy has satellite galaxies, and some of those might have smaller satellite galaxies of...
Astronomers have revealed details of mysterious signals emanating from a distant galaxy, picked up by a telescope in Canada. The precise nature and origin of the...
New analysis of ancient volcanic grains on the moon suggests the lunar mantle is surprisingly rich in water. When astronomers used satellite observations to survey the...