Read an excerpt of this deep-space mystery from the prolific writer of 'Whalefall' and 'Angel Down.' ...

A new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in ...

A new typology helps explain why perpetrators target reproduction and why international law has been so slow to hold them accountable.

Scientists argue that limiting the search for life strictly to a star’s traditional habitable zone is too restrictive. That is in light of new climate models, and observations that suggest that liquid ...

High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for potential alien life elsewhere. Saturn's moon Enceladus (shown here in a 2006 ...

UFO whistleblowers claim cattle mutilations are linked to harvesting biological drones, suggesting a chilling link between ...