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COVID-19 infection grants immunity for 5 months, UK study suggests

Mercury, Jupiter and Saturn meet for rare ‘triple conjunction’

Space object likely came from alien world, Harvard professor says

Chesapeake Bay Foundation gives health of the bay a D-plus

3 missions head for Mars and other space news to expect in 2021

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December 22

Great conjunction of Jupiter and Saturn captured in stunning photos

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Winter Solstice sets stage for the Great Conjunction of Jupiter and Saturn

‘Totally spectacular’: All eyes on night sky as Jupiter, Saturn inch closer

Geminid meteor shower: What to know for Dec. 13-14

Scientists say American Legion Bridge project threatens unique patch of land

Report: DC area more prepared than most states for climate change health impact

How to watch the Geminids meteor shower, one of the year’s best

Jupiter and Saturn will form the first ‘double planet’ in 800 years

Facial recognition software getting better with mask wearers, says study

Could solar power help restore Maryland’s oyster population?

Last lunar eclipse of 2020 likely to be spoiled by rain for DC region

Catch a lunar eclipse during the full beaver moon this weekend

Holiday shopping for stargazers in 2020

Scientists create diamonds at room temperature in minutes

Who is likely to be offered COVID-19 vaccine first when it becomes available?

Baltimore leaders hail $45 million behavioral health grant as ‘a game-changer’

Leonid meteor shower: When’s the predicted peak?

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November 16

Astronauts really just took Baby Yoda with them up to space

Leonid meteor shower will shoot fireballs across the sky this week