Proceedings of the National Academy of Sciences, Volume 123, Issue 14, April 2026. SignificanceSamples returned from asteroid Bennu provide a rare opportunity to study the earliest solar system materials in pristine condition. Using nanoscale infrared and Raman spectroscopy, we reveal that Bennu’s organic matter and carbonates are not …
Last updated: April 08, 2026 10:28 PM
CO₂
431.7ppm
+2.5
/ year
CH₄
1945.85ppb
+8.44
/ year
Temp
+1.48°C
Peak +1.73°C
Population
8.1B
+67M
/ year