On the northern edge of the Ozark Mountains, Onondaga Cave is one of two known caves that encompass part of a Missouri state ...

Embark on a journey to explore the world's most breathtaking caves, from the shimmering glowworm caves of New Zealand to the ...

Natural World Photography Competition June 15 was Nature Photography Day, and in celebration of that, the winners of the annual California Academy of Sciences' BigPicture: Natural World ...

Looking for a chill weekend trip from Singapore? This 3D2N Da Nang itinerary mixes nature, culture, and cafés without ...

This 3D2N Da Nang itinerary from Singapore covers beaches, temples, cultural stops, and day trips. Perfect for a chill but ...

The planet Mars is home to thick layers of clay that can span hundreds of feet. Since they need water to form, these outcrops ...

Tiny glass beads formed in the fires of explosive volcanic eruptions on the moon, and brought back to Earth by Apollo 17, ...

The D" layer, some 2,700 kilometers (nearly 1,700 miles) below our feet, has been mystifying scientists for decades. Now we ...