Our new 'Word Of The Day' article update : puffling , n :
A young puffin. Today is National Bird Day in the United States, which was started by the Avian Welfare Coalition and Born Free USA to improve the welfare of birds in captivity.

By JACK NICAS from NYT Technology https://nyti.ms/2BWWMGo
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By RAYMOND ZHONG from NYT Technology https://nyti.ms/2F9k2V1
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By DAVID STREITFELD from NYT Technology https://nyti.ms/2F8XjIz
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Astronomy news update from NASA :
Ultima Thule is the most distant world explored by a spacecraft from Earth. In the dim light 6.5 billion kilometers from the Sun, the New Horizons spacecraft captured these two frames 38 minutes apart as it sped toward the Kuiper belt world on January 1 at 51,000 kilometers per hour. A contact binary, the two lobes of Ultima Thule rotate together once every 15 hours or so. Shown as a blinking gif, the rotation between the frames produces a tantalizing 3D perspective of the most primitive world ever seen. Dubbed separately by the science team Ultima and Thule, the larger lobe Ultima, is about 19 kilometers in diameter. Smaller Thule is 14 kilometers across.

from NASA https://go.nasa.gov/2R6JMIF
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By JENNIFER VALENTINO-DeVRIES and NATASHA SINGER from NYT Technology https://nyti.ms/2CMHy8O
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Here Are The First Images From China's Historical Landing On The Far Side Of The Moon via Digg http://bit.ly/2AuWWoO