Friends of the Rivers of Hout Bay is restoring rivers and wetlands through invasive plant removal, cleaner waterways and ...

Researchers have identified dozens of previously undetected debris fragments in geostationary orbit, warning that the region ...

The search for intelligent alien life goes far beyond listening for simple radio signals. This documentary explores how ...

Red and white dwarfs may turn out to be the most promising objects for searching for hypothetical Dyson spheres, systems ...

Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets ...

The Fermi paradox asks why we haven’t found aliens yet. Scientists say the answer may lie in timing, technology, and the vast ...