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Science

Tree rings helped scientists date ancient Greek eruption 2 hrs
When flying to Mars is your day job 4 hrs
Q&A: Companions for City Trees 4 hrs
To improve children's diets, conserve forests 4 hrs
Latest Attraction at French Theme Park: Crows That Pick Up Trash 5 hrs
NASA to Host Media Briefing on New Ice-Monitoring Mission 5 hrs
Trilobites: Do Penguins Mate for Life? Not According to These Paternity Tests 6 hrs
How an animal ages depends on what early life was like 6 hrs
Sketchbook | Graphic Review: A Graphic Tribute to a Classic Work of Paleontological Literature 6 hrs
Particulate pollution's origins affect its impact on climate and human health 7 hrs
Arecibo Observatory in Puerto Rico to Get a $5.8 Million Antenna Upgrade 7 hrs
Rocket On! These Cool Student Experiments Just Launched to Space 8 hrs
NASA's Opportunity Rover on Mars Still Silent 2 Months into Epic Dust Storm 8 hrs
'Space Heroes' Trading Card Game Sets Up Space Race Between Players 8 hrs
Scientists confirm theory of Darwin's moth 9 hrs
China's Chang'e 4 Lunar Lander to Far Side of the Moon Will Launch in December 11 hrs
On This Day in Space! Aug. 17, 1877: Asaph Hall Discovers the Mars Moon Phobos 11 hrs
NASA Says RS-25 Engine Test for New Megarocket a Success Despite Ending Early 11 hrs
Hundreds of Midsize Black Holes Found by NASA's Chandra X-Ray Observatory 11 hrs
Mysterious Midsize Black Holes Lurk at the Hearts of Tiny Galaxies 11 hrs
Was a Muppet Just Spotted on Mars? 11 hrs
Plasma Scientists Created Invisible, Whooping 'Whistlers' in a Lab 11 hrs
Here's the 1st 'Star Wars Resistance' Trailer! (And Its Release Date) 13 hrs
Trilobites: Hundreds of Reindeer Died by Lightning. Their Carcasses Became a Laboratory. 13 hrs
The New Old Age: A Retirement Community Turned Away These Married Women 13 hrs
New NASA Images Show California's Largest Wildfire from Space. Canadian Blazes, Too 15 hrs
15,000 Galaxies Shine in This 1 View from the Hubble Space Telescope 15 hrs
NASA deputy administrator nominee seeks focus on managerial and acquisition issues 20 hrs
Archaeologists Find 3,200-Year-Old Cheese in an Egyptian Tomb 1 day
Proposed standard seeks to offer more launch flexibility for smallsats 1 day