The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it ...

Earth, captured once a day by the EUMETSAT meteorological satellite, have been time-lapsed. (video looped) Credit: Simon Proud / NCEO / EUMETSAT ...

We compare and contrast NASA's trio of CADRE lunar rovers and its IPEx excavator to examine how this army of autonomous ...

The Sun isn’t just a distant ball of fire—it’s constantly bombarding Earth with charged particles in the form of solar wind. NASA’s PUNCH mission is set to capture this invisible force like never ...