Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

Tiny bits of Earth’s atmosphere have been drifting to the moon for billions of years, guided by Earth’s magnetic field.

A mysterious object hurtling through our solar system may be older than the Sun and promises unprecedented insight into the ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...