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Today in the history of astronomy, the most prolific comet-discoverer of all time gets his start.
Several planets stand still in the sky, Titan’s shadow transits Saturn, and Venus gives Taurus a second eye in the sky this ...
At a time of turmoil and competing visions for the agency, NASA will be led by a Trump administration cabinet member.
Algol, also known as the Demon Star, loses some 70 percent of its light every three days. It's in Perseus the Hero, now ...
Quasar 0957+561, the first known gravitationally lensed quasar, lies near NGC 3079 in Ursa Major. Here's how to find and ...
The author of Gemini: Stepping Stone to the Moon, The Untold Story talks about his new book.