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<p>This Spitzer Space Telescope captured this view of the California Nebula just five days before the end of its mission on Jan. 30, 2020.</p>

NASA Spitzer telescope gives us one final, ethereal nebula image

A mosaic of the California Nebula is a fitting last look for the now-retired space telescope.

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Herd immunity: Why it's crucial for the coronavirus

To stop the spread of the coronavirus, we need at least 70% of the US population to be immune. We're nowhere near that.

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<p>The Soyuz MS-15 spacecraft is seen as it lands with Expedition 62 crew members Jessica Meir and Drew Morgan of NASA, and Oleg Skripochka of Roscosmos, Friday, April 17, 2020.&nbsp;</p>

NASA astronauts return to a drastically changed Earth after months in orbit

Jessica Meir and Drew Morgan performed dangerous and historic space walks during their missions, but they've come back to a planet with new dangers of its own.

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New tech coming to rid your car of viruses

The global coronavirus outbreak is a reminder that cars can be germ-filled places. Here are some precautions you can take now.

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How to find a coronavirus test site near you and check the wait time

If you have COVID-19 symptoms, you'll need to consult a doctor and possibly get tested. Here's how.

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<p>The 2012 Lyrid meteor shower as captured by astronaut Don Pettit aboard the International Space Station.&nbsp;</p>

Lyrid meteor shower, the best night sky show for months, is active now

Catch a potential shooting star extravaganza. You probably don't have anywhere else to go.

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<p>It's a beautiful sight. NASA's classic "worm logo" is emblazoned on the SpaceX Falcon 9 rocket that will launch Crew Dragon astronauts to the ISS&gt;</p>

NASA, SpaceX set date for historic launch of astronauts to ISS

Mark your calendar for May 27, the first launch of astronauts from US soil in nearly 10 years.

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<p>Mr. Stubbs has a new tail.&nbsp;</p>

Tech helps animals with limb loss get back on their feet. And tails

Custom prosthetics can help animals with limb loss swim or run again.

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<p>A new diagnostic tool uses CRISPR to detect COVID-19.</p>

Coronavirus test using CRISPR detects disease in under 40 minutes

The new diagnostic tool, Detectr, shows promise in rapidly detecting COVID-19.

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Google Doodle honors coronavirus heroes and helpers

Today's installment of appreciation doodles honors teachers and child care workers during the COVID-19 battle.

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<p>This NASA illustration shows what Kepler-1649c might look like in orbit around its star.</p>

NASA discovery of planet remarkably like ours gives hope for 'second Earth'

Scientists unearthed a hidden exoplanet from old Kepler Space Telescope data.

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<p>The Very Large Telescope watched a star for 27 years, measuring its movements around Sagittarius A* at the center of the Milky Way</p>

Astronomers watch star dance with a black hole, proving Einstein right (again)

Another win for Albert.

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Tech helps animals with limb loss get back on their feet. And tails

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