During the 1240s, Richard Fishacre, a Dominican friar at Oxford University, used his knowledge of light and color to show that the stars and planets are made of the same elements found here on Earth.

People from cultures across the world have been looking at Mars since ancient times. Because it appears reddish, it has often been called the red planet.

New TRAPPIST-1 observations with JWST underscore the complexities of confirming a planet's atmosphere using only broadband thermal emission data. This insight takes on added significance with the ...

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