Astronomers had observed auroras on all other planets in the Solar System, and spotting one in Neptune completes the list.

Nature Photonics spoke to Yoriko Ando from the University of Tokyo about her recent quantitative analysis of the effect in fireflies. It is a chemiluminescence reaction that takes place in ...

Thus, the non-occurrence of a glow in pure oxygen until the pressure is reduced to about 500 mm. of mercury, or an equivalent dilution with an inert gas is made, is very striking. No less ...

The strange glowing orb was spotted across the country, including in Wales, and has left many onlookers mystified as to what ...