Nitrogen finally joins the elite tier of elements like carbon that can form neutral allotropes—different structural forms of ...

Very massive stars (VMSs), which typically have masses about 100 times that of our own sun, are critical components in our understanding of the formation of important astronomical structures like ...

A ban on watering lawns has been issued in the Des Moines metro area for the first time to avoid a potential water crisis due to high concentrations of nitrates.