The alignment, Planet

The two planets will reach their minimum separation — one-third of 1 degree ... much different hours or even a day earlier when the sky is dark, said Jon Giorgini of NASA’s Jet Propulsion ...
NASA's newest space telescope will scan the entire sky in a range of near-infrared wavelengths to help astronomers better ...
Michigan residents can head to dark sky parks across the state for best ... only a few months at a time when it reaches its greatest separation from the sun. Mercury, which takes 88 days to ...