In 2022, NASA knocked an asteroid off course in a test of humanity's ability to defend Earth.

With over 5,000 exoplanets — planets beyond our solar system — discovered to date, there's a growing interest in locating which of these planets might be habitable. It's no easy matter to find a ...

China is targeting a small non-threatening near-Earth asteroid for a daring attempt to run into it at high speeds and move it off its course. The Chinese asteroid deflection test could happen as early ...

Using carefully selected terrestrial rocks, engineers try to figure out how to work with crumbly rocks like the one the rover encountered on its first sampling attempt. Using carefully selected ...