The left plots show the results of our injection and recovery test into our JWST observation of TOI 700 d, and the right for e. The Roche limit and f
The left plots show the results of our injection and recovery test into our JWST observation of TOI 700 d, and the right for e. The Roche limit and f
A deuterostome cambroernid fossil from the Jiangchuan Biota and artist’s reconstruction (IMAGE) A newly discovered fossil site in southwest China has transformed our understanding of how complex animal life emerged
Graphical Abstract — ACS Central Science Complex organic molecules (COMs) are thought to form in cold interstellar environments, yet the chemical routes to key prebiotic precursors remain poorly understood. Glycine,
During their historic lunar flyby, astronauts on NASA’s Artemis II mission witnessed meteorites striking the rugged surface of the moon, a sight that has piqued scientists’ curiosity.
When Congress passed a fiscal year 2026 “minibus” appropriations bill in January, much of the space community breathed a sigh of relief. Congress had rejected the steep cuts proposed by
A flurry of commercial innovation has left the U.S. government with no shortage of sensors and AI-driven insights to monitor the increasingly packed and contested space environment. The challenge is
The Milky Way shines in a new image captured by the Artemis 2 crew. (Image credit: NASA) The Artemis 2 crew captured this majestic photo of the Milky Way through
PIXL micro-XRF observation from the third “Apollo Temple” scan (a,b), alongside a SHERLOC WATSON color image for context (c). An RGB composite shows the areas with relative enrichment of FeOT,
Chemical processes in molecular clouds, such as grain-surface reactions and reactions in the gas phase, yield fundamental molecules, such as water, methanol, and ammonia. After experiencing further processes induced by
Evolution of the semimajor axis of a 0.5 M⊕ planet in planetesimal disks with masses of 20 M⊕ (top panel) and 40 M⊕ (bottom panel). The same curves are also






