Slide Show: Free Snowshoeing at Lassen

Northern California’s Lassen Volcanic National Park is offering free ranger-led snowshoe walks through April 4. The walks will be held every Saturday and Sunday at 1:30 p.m. The 1½- to two-hour excursions are open to those age 8 and older…

Let’s Go Space Fishing

Scientists say one of Jupiter’s moons has enough warmish water and oxygen to support life, and not just microbes and stuff. Fish, or some alien equivalent, could thrive on the ocean moon of Europa.

Researchers tell National Geographic that new estimates of…