An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity—or not ...

Steven Phillipe was doing some landscaping when he spotted something instantly recognizable but completely baffling.

In the high desert of north-central New Mexico, a 40-minute drive west of Santa Fe, a surreal landscape of eroded volcanic ...

Guatemala's Fuego volcano normally erupts once every four to five years. The last eruption occurred in June 2023. Over 1,000 ...

Guatemalan authorities evacuated around 1,000 people Monday after Central America’s most active volcano erupted, spewing lava, ash and rocks. Residents with traumatic memories of a deadly eruption in ...

Guatemala lies on the Pacific "Ring of Fire" and experiences frequent seismic and volcanic activity. In June 2018, 215 people were killed and a similar number left missing when Fuego volcano erupted, ...

Guatemalan authorities evacuated around a thousand people on Monday after Central America's most active volcano erupted, spewing lava, ash and rocks. Residents sought safety in a temporary shelter ...

Guatemalan authorities evacuated around a thousand people on Monday after Central America's most active volcano erupted, ...

Guatemalan authorities evacuated around a thousand people on Monday after Central America's most active volcano erupted, ...

The oldest meteorite impact crater on Earth (3.5 billion years old) has been discovered in Western Australia's Pilbara region ...

We have discovered the oldest meteorite impact crater on Earth, in the very heart of the Pilbara region of Western Australia. The crater formed more ...