A satellite positioned above our planet shows the movement of the dividing line between day and night - known by some astronomers as the 'terminator'.

En route to land on the moon, a spacecraft snapped views of Earth eclipsing the sun.. The Blue Ghost lunar lander, built by the Texas-based company Firefly Aerospace for NASA, launched to space on ...

Earth's atmosphere is much more sensitive to ripples of radiation from the sun than scientists previously believed, new research by Queen's University Belfast has found. Solar flares, which are ...