New simulations allow us to hope for the presence of submarine volcanoes on Europe, the moon of Jupiter

China is gaining ground in space. Should the US be concerned?

NASA's Perseverance rover is the 1st spacecraft in years to carry fresh US plutonium. It won't be the last.

A ‘Potentially Hazardous’ Asteroid Just Soared Past Earth. It’s First Of Five That Will Get Close To Us This Week