One of the oldest unsolved riddles in planetary science concerns the origin of the moon. Over a century ago, George Darwin ...

Pulsars are some of the most reliable metronomes in the universe, and scientists are now using their flickering radio beams ...

How do you keep a fusion plasma that's hotter than the sun from damaging vital components near it? This is just one question ...

Two huge metal rings, each more than two miles around. Gold ions smashing together at more than 99.99 percent the speed of ...

This NASA/ESA Hubble Space Telescope image features a glittering blue dwarf galaxy called Markarian 178 (Mrk 178). The galaxy ...

The most obvious is Elon Musk's SpaceX, which dominates the rocket-launch industry and already has a plan to upgrade its next-generation satellites to serve as a type of data center. SpaceX plans to ...

When MPEX begins operations in 2028, it will help researchers design, model and refine the building blocks of future fusion ...

The Atacama Cosmology Telescope in Chile has released its final batch of data after 15 years — and it proves that the Hubble ...