REx sample return capsule contained rock from the asteroid Bennu. NASA/Keegan Barber Mary Magnuson, Collecting asteroid samples China’s Tianwen-2 asteroid sample return mission is set to launch this ...

A fleeting glow observed on Saturn on July 5th has puzzled scientists. This potentially unprecedented event could mark the ...

Unlike rocky planets where asteroid impacts leave visible craters, gas giants like Saturn have outer layers of hydrogen and helium that can absorb impacts without obvious traces.