The solar system floats inside a vast, million-degree hot bubble—an invisible cocoon of thin gas that glows in X-ray light. Known as the Local Hot Bubble (LHB), this low-density cavity stretches more ...

As scientists wait for the asteroid to reappear, its revised trajectory is now drawing attention to another possible target: ...

While many dream of coastal vacations by the sea, this country boasts a massive collection of glimmering turquoise lakes, ...

Looking up at the night sky, it may seem our cosmic neighborhood is packed full of planets, stars and galaxies. But ...

Every year, ultrarunners sign up to compete in a brutal race that stretches 135 miles across Death Valley in the high heat of summer. Because of its harsh conditions, the Badwater 135 is perhaps the ...

Curiosity NavigationCuriosity HomeMission OverviewWhere is Curiosity?Mission Updates ...

California’s natural wonders are legendary, but tucked away in the Los Padres National Forest near Ojai lies a hiking paradise that feels like stepping into another world entirely. The Piedra Blanca ...

In the Jungfrau-Aletsch-Bietschhorn region, the Jungfrau Railway is a breathtaking journey for your bucket list. New: Eiger ...