Two such lunar canyons, Vallis Schrödinger and Vallis Planck, stretch over 270 km (168 miles) each, with depths of 2.7 km ...

From Borrego Springs, California to Victoria, British Columbia, here are some of the unexpected family destinations to ...

Areas scarred by the Eaton Fire are at “high to very high risk” of debris flows this week. How do they happen? What is being ...

Amid the woozy desert haze springs an incongruous streak of blue. Lake Mead is the most mirage-like thing I’ve ever seen that ...

Taking your kids hiking with you is one of the most powerful things you can do to foster a lifelong love of the outdoors.

Sri Lanka’s Sigiriya has been crowned the world’s most welcoming city for 2025 by Booking.com, based on over 360 million of ...

Looking for some bucket-list travel ideas? You can't go wrong with these natural wonders—though you might not believe your ...

Sri Lanka’s Sigiriya has been crowned the world’s most welcoming city for 2025 by Booking.com, based on over 360 million of ...

The daredevil skydiver believes his stunt will revolutionize and offer a safer alternative to wingsuit flying.

About 3.8 billion years ago, two massive canyons likely formed on the moon in a span of less than 10 minutes, according to ...