Envelope composition in the H–He–C–N–O–Si chemical system of TOI-421b (𝑅MEB = 1.65𝑅⊕, 𝑅𝑃 = 2.64𝑅⊕, 𝑀𝑃 = 6.7𝑀⊕, 𝑇MEB = 3000 K) as a function of H mass fraction. Elemental
Envelope composition in the H–He–C–N–O–Si chemical system of TOI-421b (𝑅MEB = 1.65𝑅⊕, 𝑅𝑃 = 2.64𝑅⊕, 𝑀𝑃 = 6.7𝑀⊕, 𝑇MEB = 3000 K) as a function of H mass fraction. Elemental
NASA’s Human Lander Challenge (HuLC) is an initiative supporting its Exploration Systems Development Mission Directorate’s (ESDMD’s) efforts to explore innovative solutions for a variety of known technology development areas for human
SpaceX will hit a big round-number milestone today (Oct. 18), and you can watch it happen live. A Falcon 9 rocket carrying 28 of SpaceX’s Starlink internet satellites is scheduled
(A) Field photograph of exceptional shatter cones near the center of the structure. Photo credit: A.R.B./Harvard University. (B) Geologic map of the structure, which occupies the north flank of North
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TAMPA, Fla. — A San Francisco startup developing software to turn satellites into virtual data centers is among four companies to win funding from San José’s first city-run artificial intelligence
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WASHINGTON — The Pentagon on Friday announced a slate of senior leadership shifts within the U.S. Space Force, including new appointments to key command and planning posts. Lt. Gen. David
Outer Planets Assessment Group (OPAG) — NASA The Outer Planets Assessment Group (OPAG) will hold a Town Hall at the AGU meeting in New Orleans, LA. Please join us for
New analysis of human deep space communications suggests the most likely places to detect signals from an extraterrestrial intelligence.






