Can aircraft pollutant emissions be reduced by using biofuels? And what influence does an alternative fuel have on the formation of contrails? In mid-January, a joint German Aerospace Center (DLR) and ...

The chemical composition of a planetary body reflects its starting conditions modified by numerous processes during its formation and geological evolution. Measurements by X-ray, gamma-ray, and ...

A dust detector on the Cassini space probe -- known as the cosmic dust analyzer (CDA) -- has identified several extremely rare and minuscule particles of interstellar dust from outside our solar ...

Students learn how to determine the percentage composition of a compound. Percent Composition and Empirical Formulas: Students learn how to determine the percentage composition of a compound and to ...

What do you do when a tried-and-true method for determining the Sun’s chemical composition appears to be at odds with an innovative, precise technique for mapping the Sun's inner structure? That was ...