Suprathermal particles are high-energy particles that have velocities greater than the thermal velocity of the surrounding plasma or gas. These particles can be found in a variety of environments, including in the solar wind, in the Earth's magnetosphere, and in astrophysical plasmas. Research in the area of suprathermal particles focuses on understanding the origins, acceleration mechanisms, and interactions of these particles with their surrounding environments. Scientists study the properties of suprathermal particles using a combination of spacecraft observations, laboratory experiments, and theoretical models. By studying suprathermal particles, researchers can gain insights into processes such as particle heating, acceleration, and transport in plasma environments. This research has important implications for understanding space weather, plasma dynamics, and the overall behavior of astrophysical plasmas.