Engineers love a good practical challenge, especially when it comes to spaceflight. But there’s one particular challenge facing the crewed missions of the near future that scares mission planners above

In 1934, a Soviet physicist named Pavel Cherenkov shone gamma rays into a bottle of water and noticed a faint blue glow. So had others before him. They all shrugged

It’s obvious that Earth is a planet. It’s obvious that the Sun is a star. But for substellar objects like brown dwarfs, it’s not so clear. Researchers are using the

A pair of dwarf galaxies in the giant Virgo Cluster show what can happen when these stellar cities interact. Scientists at the University of Michigan focused the James Webb Space

In 1937, Ettore Majorana asked a question nobody else was even thinking about: does a particle have to have a distinct antiparticle? For neutrinos — which carry no charge —

Rovers equipped with Radioisotope Power Systems (RPSs), aka. nuclear reactors, could effectively explore the craters in the Moon’s southern polar region.