The trip made me develop a serious appreciation for the sheer diversity and beauty of U.S. national parks. I also realized that some national parks are conveniently clustered together or within a few ...

Photos and story by Adrian HeddenCarlsbad [email protected] Downtown Carlsbad’s historic Cavern Theater ...

Some microbes happily thrive in unforgiving environments. An extremophile hunt is underway to leverage their resilience ...