Same-sex courtship in crickets, doting dads in the animal kingdom, 3D printing with Martian soil for future space settlers and the 100 most promising potential alien signals.

In 'Project Hail Mary,' a human and an alien figure out how to cooperate across space. In real life, we can't see that fellow ...

Zoo king penguins live longer but age faster at a biological level, revealing a hidden trade-off between lifespan and health.

Enterprise" has a lot in its favor, but it also has its share of stinkers, as you can see from the unfortunate episodes on this list.

Apple TV's For All Mankind enters the mid-aughts and early 2010s as the Mars colony Happy Valley continues to grow and ...

The last Neanderthals to survive in Europe came from a single lineage that survived the worst period of the ice age, ancient ...