On the martian surface, would the moons Deimos and Phobos be visible to the unaided eye? David De RooSilver Spring, Maryland ...

The Artemis missions are NASA's fresh attempt at sending astronauts to the Moon, but have you wondered why NASA is returning to lunar missions?

U.S. astronauts who return to the moon’s surface in the years ahead for the first time in more than half a century will have the difficult and unprecedented task of setting the stage for a permanent ...

Enceladus, one of Saturn’s smallest moons, has long fascinated scientists with its icy surface and mysterious geysers.

The Moon is slowly shrinking as its interior cools, and that contraction is generating faults and seismic activity in the ...

Saturn's moon Mimas, just 250 miles wide, could have a liquid water ocean under its outer icy shell, according to new research led by Max Rudolph at UC Davis. If such moons are the right size, water ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...