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.

American lawmakers are demanding answers from the Trump administration after a Canadian man says U.S. customs officers held ...

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

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