Past “Volcano Watch” articles have summarized the episodic lava fountaining eruptions in Kilauea’s recent history—within the ...

No other puʻus exist on the caldera rim, but geologic deposits of tephra fall mapped in Kīlauea’s summit region indicate that ...

One hundred years after John Wesley Powell’s historic trek down the Grand Canyon, National Geographic went on a commemorative ...

Designated a UNESCO World Heritage site in 1986, the Giant’s Causeway in Northern Ireland is a geometrical and geological ...

Arizona is home to caves that feel mysterious, dramatic, and completely removed from the everyday world above.

A year on Mercury lasts 88 Earth days, with a solar day (the time from noon to noon on the planet’s surface) lasting 176 ...

Take a tour through volcanic history on the edge of the Sierra Nevada near Mammoth Lakes, California. Between the tall ...

A profound geological mystery has been solved deep beneath the South Pacific, where researchers have identified the specific ...

Round doors welcome you into a world of curves and cozy spaces. The windows peek out from the earth like curious eyes.

ASTRONAUTS aboard Artemis II have snapped an historic photo of the Moon’s Orientale basin, seen for the “first time with ...

Kīlauea is acting like it is getting ready for another show. By Friday morning, the summit was glowing strongly and even ...

Researchers discovered that massive lava flows and collapsing lava ponds at Axial Seamount reveal how underwater eruptions ...