There's been more discussion recently about protecting life on Earth from a devastating asteroid strike. But a new study suggests that space rocks actually made life possible on the Blue Planet.

Image of an isotope pattern screening technique for the selective detection of selenium (Se)-containing compounds using liquid chromatography (LC)-electrospray ionization mass spectrometry. Although ...

Although present in very small amounts, selenium (Se)-based compounds play important roles in protecting the body from oxidative stress, regulating thyroid hormones, strengthening the immune system, ...

Although present in very small amounts, selenium (Se)-based compounds play important roles in protecting the body from oxidative stress, regulating thyroid hormones, strengthening the immune system, ...

This is a 1.9-billion-year-old stromatolite — or mound made by microbes that lived in shallow water — called the Gunflint Formation in northern Minnesota. Such formations provide evidence of ...

There’s been more discussion recently about protecting life on Earth from a devastating asteroid strike. But a new study suggests that space rocks actually made life possible on the Blue Planet.