NASA astronaut Jonny Kim, accompanied by Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritsky, is preparing to depart the International Space Station and return to Earth. Kim, Ryzhikov, and Zubritsky will undock from the space station at 8:41 p.m. EST on Monday, Dec. 8. Live coverage begins at 4:45 p.m.
NASA Completes Nancy Grace Roman Space Telescope Construction
NASA Software Raises Bar for Aircraft Icing Research
Satellites Detect Seasonal Pulses in Earth’s Glaciers
The International Space Station Marks 25 Years of Continuous Human Presence
In December, skywatchers can observe comet 3I/ATLAS make its closest approach to Earth; the Geminid meteor shower sparkle across the sky; and the Moon and Jupiter appearing close together for a conjunction.
Skywatching HighlightsXRISM Finds Chlorine, Potassium in Cas A
This composite image of the Cassiopeia A (or Cas A) supernova remnant, released Jan. 8, 2024, contains X-rays from Chandra (blue), infrared data from Webb (red, green, blue), and optical data from Hubble (red and white). A study by the XRISM (X-ray Imaging and Spectroscopy Mission) spacecraft has made the first-ever X-ray detections of chlorine and potassium in the wreckage.
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Artemis II will test NASA’s deep space capabilities as humans fly on the Space Launch System rocket and Orion spacecraft for the first time. Join the mission by launching your name around the moon alongside NASA astronauts Reid Wiseman, Victor Glover, Christina Koch, and Canadian Space Agency astronaut Jeremy Hansen.
Artemis II Boarding Pass about Send Your Name Around the Moon
