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greg redfern

Credit: AP/Eric Adams

Rerouting? Your GPS may get lost during the eclipse

Night Sky Festival: Celebrate starry skies and the August eclipse

Asteroid Day is an annual reminder of threats to the Earth

What you need to know about the upcoming solar eclipse

Sunday NASA rocket launch from Va. may be visible in area

Excitement surrounds space telescope, Moon missions

More greg redfern

A cosmic 1st: Images of a black hole, and Astronomy Month 2017

Solar eclipse will be stunning spectacle

Remembering NASA astronauts who’ve lost their lives

2016 in space: The waves have it

Groundbreaking astronomer Vera Rubin had roots in DC

Celestial duel: Supermoon vs. the Geminids

Gift ideas for stargazers

See the closest supermoon since 1948

Fall’s arrival brings constellation spectacles to D.C. area