Plasma physics is the study of a state of matter comprising charged particles. Plasmas are usually created by heating a gas until the electrons become detached from their parent atom or molecule.

The Kremlin says it won't rule out the possibility of a meeting between Donald Trump and Vladimir Putin in China later this year. Meanwhile, one person has been killed after Russia targeted Kyiv ...

Ukraine war latest: Moscow and Kyiv targeted as Russia and Ukraine launch overnight strikes One person has been killed and seven have been injured after Russia targeted Kyiv in overnight strikes ...