Grasped in the hand of the #Candarm2 robotic arm, the #Cygnus cargo spacecraft was detached from @Space_Station today. It will be released tomorrow and you can watch it live starting at 7:45 a.m. EST: http://go.nasa.gov/2kp2xrp pic.twitter.com/hGyy4BeaMX

Inspiring evening at the “Oscars of #Science” - a meeting of the minds and a celebration of truth through data, reason and facts. Congrats to this year’s @brkthroughprize awardees! You give us hope for a bright #future!pic.twitter.com/uKME6iTjNo

Two commercial resupply missions and two international crews are coming and going this month at the station. https://go.nasa.gov/2jeu9fj pic.twitter.com/SdWXBD4Uyo

An Etsy engineer made earrings to hold your two-factor security keys http://bit.ly/2ASw17Q pic.twitter.com/KIJqjeCqMD

Tonight's Target: The Pleiades! Hint: Look East at 7:30 pmpic.twitter.com/eWGAmIRzyh

The team laying down the #xmaslectures floor ahead of tonight’s first dress rehearsal With a week to go until filming, we want to say a big thank you to our major supporter @LR_Foundation, & to Schlumberger, @BBSRC, @millenniumpoint for their support http://www.rigb.org/about/news/autumn-2017/our-2017-christmas-lectures-supporters …pic.twitter.com/es9xR86mYm

A new era of exploration beyond Earth's orbit - that's the aim of #NASASLS and its first flight with @NASA_Orion! WATCH more >> https://go.nasa.gov/2yAmLk3 pic.twitter.com/1w22hNZwON

Miss Alicia is a flying fox who was rescued in Australia after being hit by a car—but she's going to be just finepic.twitter.com/4JC0Dyh2TY

Attention: Your #wildlifeselfie is NOT cute. Thnk u @instagram for making it a priority to report. We must all make an effort to not endorse, capture or share material that harms wildlife. Read more about our #Stoptheshow campaign here: http://bit.ly/stoptheshowsign pic.twitter.com/R6ig33Tn0r

#OTD 12/5/70: Dr. Cyril A. Ponnamperuma of @NASAAmes made the 1st positive ID of amino acids in a meteorite - an important step in understanding how life may have originated. Read more about Dr. P's life & work: http://www.nytimes.com/1994/12/24/obituaries/cyril-ponnamperuma-scholar-of-life-s-origins-is-dead-at-71.html … Image Credit: NASA.pic.twitter.com/7pJeUA6yhf

Every small-business owner who supports Trump because he SAYS he loves small business, needs to read this and understand what's happening in the U.S. It's not about politics (for a change) - it's about waking up and smelling the dying roses around us. ht @roopaonlinepic.twitter.com/66lN7cPXBG

Archaeologists uneasy as Trump shrinks bears ears monument lands http://bit.ly/2ioxKXE pic.twitter.com/cKwbqByg7l

At a high school today to talk astronomy. 20 minutes is enough to do a tour of the whole Universe, right?pic.twitter.com/pD1FziPrrD

RNA polymerase III is a key evolutionarily conserved regulator of longevity that may have potential as a therapeutic target for age-related conditions http://go.nature.com/2AshfUA pic.twitter.com/sI2eAFt9mH

Frigid Europa may be warmed by a layer under its crust that moves heat and ice to and from its poles – and alien microbes could be hitching a ride https://www.newscientist.com/article/2155394-jupiters-icy-moon-europa-has-a-hidden-conveyer-belt-of-heat/?utm_term=Autofeed&utm_campaign=Echobox&utm_medium=Social&cmpid=SOC|NSNS|2017-Echobox&utm_source=Twitter#link_time=1512491534 …pic.twitter.com/VemLESN7YN

Our next geostationary weather satellite has taken a major step forward on its journey to outer space. Launching March 1, 2018, @NOAA GOES-S which will become #GOES17 has been shipped to Kennedy Space Center today! @LockheedMartin @NASAKennedy Learn more: https://goo.gl/8XTz00 pic.twitter.com/M2pp9rcdtK

Shadows of 3 of Jupiter's moons (Io, Ganymede, and Callisto) across the planet, along with the first two of the moons visible themselves (@NASA).pic.twitter.com/mbMImAmhRb

Make no bones about it: Neolithic women were strong. Very strong. Stronger than modern athletes, even. http://scifri.me/nd1 pic.twitter.com/r1ujGJC7ta

In about 1000 days, these beauties (ok, thrusters) will fire in space for the first time to help guide the Mars 2020 rover from Earth to Marspic.twitter.com/703PLyITp8

If you go to Mars don’t be afraid when Earth begins to seem unmade. The planet’s just in retrograde. If you go to Mars.pic.twitter.com/lvhd2P5KoJ

NASA's JunoCam takes spectacular close-up images of Jupiter. This week, #10Things features stunning JunoCam images processed by citizen scientists. https://go.nasa.gov/2A2Qx5W pic.twitter.com/Rwt8ndTJZ9