Mercury currently appears as a bright "evening star" in the southwestern sky at sunset. Mercury will reach its greatest ...
The finding, based on data from the Daniel K. Inouye Solar Telescope in Hawaii, marks the first direct evidence of tiny twisting magnetic motions of energy-packed plasma waves in the sun's outer ...
The autumn equinox is now upon us! Today marks the moment that the sun crosses the celestial equator, ushering in the beginning of astronomical autumn in the northern hemisphere, which brings with it ...