The Oregon zoo has welcomed a new resident, Kallik, a 3-year-old polar bear, who is settling into his new home.

In a groundbreaking study published in The Planetary Science Journal, researchers have uncovered a fascinating new aspect of Europa, one of Jupiter’s moons. Their work highlights a unique surface ...

Small, icy moons might be boiling under their surface. Many moons in the outer solar system are thought to harbor subsurface oceans beneath their icy crusts. New computer simulations, reported ...