A renovated, second-generation fusion reactor in England has achieved first plasma. This reactor and other fusion reactors have long-shot plans to produce energy as early as 2040. The new reactor ...

A new study has revealed the true shape of the diffuse cloud of stars surrounding the disk of our galaxy. For decades, astronomers have thought that this cloud of stars—called the stellar halo—was ...

A:Bodies large enough to be considered planets have enough mass that gravity molds them into a roughly spherical shape. The key word here is roughly — other factors also come into play, such as a ...

How far microplastics travel in the atmosphere depends crucially on particle shape, according to a recent study by scientists at the University of Vienna and the Max Planck Institute for Dynamics and ...

The research community doesn’t agree on what controls the shape. Some scientists have suggested that Hartley’s smooth waist is due to the nucleus stretching along its long axis. However, it seems to ...