The unexpected discovery of yellowballs by citizen scientists – in 2011 and 2012 – is shaking up astronomers’ ideas about how stars and star clusters form. It’s giving scientists a new window into the birth and evolution of young stars.

The chemical fingerprint of exoplanet HD 209458b’s atmosphere reveals as many as 6 molecules and that it has migrated inwards from its birthplace much farther out in its star system.

The Mars helicopter – named Ingenuity – now needs a software update, NASA said. The new 1st flight date will be next week, at the earliest.

A new analysis of data from the 1978 Pioneer Venus mission, by researchers at Cal Poly Pomona, finds evidence not only for phosphine, but also possible chemical disequilibrium in Venus’ atmosphere, an additional possible sign of biological activity.