If you get a chance tonight, look up at the night sky to see Neowise, the brightest comet to grace the Northern Hemisphere in decades. The comet is expected to make its closest approach tonight, passing at a distance of 64 million miles. You can spot Neowise after sunset, below the Big Dipper in the northwest sky. If you don't catch Neowise this time around, you won’t get another chance—it will be approximately 6,800 years before the comet returns to the inner parts of the Milky Way. Here are so

Comet 46P/Wirtanen Approaches Earth | December 2018 Comet 46P/Wirtanen was at its closest approach to Earth on 16 December 2018. The comet passed just 30 lunar distances from Earth, making it likely to be visible in binoculars and maybe even to the naked eye. 46P/Wirtanen is a small short-period comet, with an orbital period around 5 and 1/2 years. | Science And Tech Errands