In the search for alien life, "everyone is an astrobiologist; they just don't know it yet." http://bit.ly/2ruY4qq pic.twitter.com/qqzCLC7w1d

One of the world’s smallest and cutest wild cats is on the road to extinction http://bit.ly/2n0Uwr7 pic.twitter.com/qVvbNzO3NW

Download the 2018 Copernicus Sentinel #calendar. Each month offers a spectacular view of our home planet captured by one of the Sentinel satellites http://www.esa.int/Our_Activities/Observing_the_Earth/Copernicus/Copernicus_Sentinels_2018_calendar …pic.twitter.com/mmG4vNyeM9

According to NASA, the meteoroid entered Earth’s atmosphere about 8:08 p.m on Jan. 16. They said the bright flash people saw (like the one in this video from Michigan) was caused by a small asteroid moving 28,000 mph entering our atmosphere and burning up. [Reddit/gifs]pic.twitter.com/vDAHmmfPVG

Our brains are conditioned by evolution to see human faces everywhere. (But that doesn't explain the mouse on Mercury.)pic.twitter.com/nvuMEuuVvK

The U.S. federal government is currently shutdown. This account will not be updated until appropriations are enacted. Only sites necessary to protect lives and property will be maintained. Go to http://weather.gov  for weather information and visit http://commerce.gov pic.twitter.com/Fb3tWLGvPp

Sorry, but we won't be tweeting/responding to replies during the government shutdown. Also, all public NASA activities and events are cancelled or postponed until further notice. We'll be back as soon as possible! Sorry for the inconvenience.pic.twitter.com/v7Uq3e58LW

A glimpse into the making of the wonder that is Costco pizza https://trib.al/qOqW3bV pic.twitter.com/VhvTJE8oAD

They can’t shut down science…pic.twitter.com/TrwIK4rcgY

Nvidia insists "gamers come first" as cryptocurrency miners continue to hoard GPUs http://bit.ly/2n1ssUF pic.twitter.com/CZpDfue0bq

Getting into shape for Cosmos. By my measure, 6’2” and 260 lbs this morning. Leaving me to wonder what height & weight the White House physician would assign me.pic.twitter.com/SNJXL30Yez

Sorry, but we won't be tweeting/responding to replies during the government shutdown. Also, all public NASA activities and events are cancelled or postponed until further notice. We'll be back as soon as possible! Sorry for the inconvenience.pic.twitter.com/uZKM4Qvmca

Sorry, but we won't be tweeting/responding to replies during the government shutdown. Also, all public NASA activities and events are cancelled or postponed until further notice. We'll be back as soon as possible! Sorry for the inconvenience.pic.twitter.com/ozMt2Nl0RG

Meteorite hunters find first fragments of Michigan meteor - The first fragments were located Thursday by professional hunters Larry Atkins and Robert Ward of Arizona, according to @amsmeteors | @physorg_space https://buff.ly/2mXPlaA pic.twitter.com/4KB62WaFxP

Dr. #JaneGoodall's wish for 2018 is that we become strengthened by the goodness that is everywhere to make the world better. Today, Jane has a mission for you: join us with a monthly gift to act as a force of good to protect the planet! http://bit.ly/2DiZGoq pic.twitter.com/Hgff4CgUuE

Kilopower Project: NASA Pushes Nuclear Power for Deep-Space Missions https://goo.gl/w9vW99 pic.twitter.com/DwqlzjPsg3

I'm sad that NASA accounts are currently inactive due to the shutdown, so I present to you a spectrum of Europa's sodium atmosphere @harriet_brettle took about 2 hours ago at @keckobservatorypic.twitter.com/5fuRTAcbWf

NASA debunks @CNN claim that an unmonitored asteroid could slam into earth during government shutdown. #FAKESCIENCENEWSpic.twitter.com/PGzZzsmKXa

Sorry, but we won't be tweeting/responding to replies during the government shutdown. Also, all public NASA activities and events are cancelled or postponed until further notice. We'll be back as soon as possible! Sorry for the inconvenience.pic.twitter.com/Xh5xWjGklb

The U.S. federal government is currently shutdown. This account will not be updated until appropriations are enacted. Only sites necessary to protect lives and property will be maintained. Go to http://weather.gov  for weather information and visit http://commerce.gov pic.twitter.com/0lXrEESZmm