The equinox marks a seasonal transition, meaning the Earth will be in between the summer and winter solstices. During the spring equinox, the sun's rays will equally shine the Earth's two hemispheres.

Spring Equinox is rapidly approaching. When is the first day of spring? What we know about when spring starts, winter ends, ...

Barry Wilmore and Sunita Williams have been at the International Space Station since June after technical issues with their ...