The Space Review: Why the molten salt reactor should be our next big step for terrestrial and off-planet needs

James Webb Space Telescope glimpses Earendel, the most distant star known in the universe

Russia's withdrawal from the International Space Station could mean the early demise of the orbital lab — and sever another link with the West

Is the James Webb Space Telescope finding the furthest, oldest, youngest or first galaxies? An astronomer explains.