A nearby active galaxy called VV 340a offers a dramatic look at how a supermassive black hole can reshape its entire host.

This new NASA Hubble Space Telescope image captures a jet of gas from a forming star shooting across the dark expanse. The ...

Two research groups design a plasma (an ionized gas) reactor maintained by microwaves that makes it possible to decontaminate waters with high concentrations of dye. Plasma is an ionized gas -- that ...