This artist’s concept depicts planet TRAPPIST-1 d passing in front of its turbulent star, with other members of the closely packed system shown in the background. Credit: NASA, ESA, CSA,

Archean Earth. Credit: NASA’s Goddard Space Flight Center/Francis Reddy The Eoarchean quartz-pyroxene rock from Akilia Island in Greenland has been proposed as one of Earth’s oldest banded iron formations (BIF)

The final F444W image produced via classical RDI optimized for extended source emission retrieval (FULL and Subarray combined), shown at a larger field of view to include the outer ring

Joint posterior constraints on the surface partial pressure of key atmospheric absorbers for atmospheric scenarios similar to solar system terrestrials, with N2 as the background gas. The color shadings correspond