Ash and smoke were flung some 3,900 feet into the air after Indonesia's Mount Lewotobi Laki-laki erupted on Wednesday.

Rocks and minerals hold precious clues about how Earth formed and evolved over billions of years — but what is the difference between the two? In essence, rocks are aggregates of two or more minerals.

The rocks are mostly made up of a rock called harzburgite, which is formed through partial melting of the mantle as it wells up under the ridge. Although they may also have formed in a much earlier ...

ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their ...

Scientists have traced the origins of the Lafayette Meteorite back to Mars, dating its water-altered minerals to 742 million ...

Even the balmy tropics may have once been crushed by colossal masses of ice.

"We think the water came from the melting of nearby sub-surface ice called permafrost, and that the permafrost melting was ...

The Lafayette meteorite was discovered in a drawer at Purdue University in 1931, with no clear indication of how it got there ...

Despite the team's success in dating the water-rock interaction, the researchers don't think Mars was teeming with water at ...

By probing chemical processes observed in the Earth's hot mantle, scientists have started developing a library of basalt-based spectral signatures that not only will help reveal the composition of ...

The study identified when water interacted with the meteorite and established that the dating was unaffected by events after ...

When did liquid water exist on Mars and what can it tell us about when, or if, life ever existed on the Red Planet? This is ...