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Ancient star, but not one of the first: One of the oldest known stars ever observed is a subgiant star in the… popsci.com Visit source

A Priority Mail stamp featuring spiral galaxy NGC 628 (left). A Priority Mail Express stamp of star cluster IC… popsci.com Visit source

The first brown dwarfs outside the Milky Way. popsci.com Visit source

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This artist's concept illustrates a supermassive black hole with millions to billions times the mass of our su… popsci.com Visit source

SN 2021yfj is a new kind of supernova, challenging our understanding of stellar evolution. Its progenitor lost… popsci.com Visit source

A study led by the Center for Astrophysics | Harvard & Smithsonian (CfA) has captured the explosive interactio… popsci.com Visit source

A cluster of stars inside a large nebula. The clouds of gas and dust are predominantly bright red in colour an… popsci.com Visit source

Artist’s conception of a magnetar surrounded by an accretion disk that is wobbling, or precessing, because of… popsci.com Visit source

This artist's concept depicts a supermassive black hole in the process of shredding a massive star—at least 30… popsci.com Visit source

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This artist's concept depicts a tidal disruption event, which occurs when a star passes fatally close to a sup… popsci.com Visit source

This image features data from Webb’s NIRCam (Near Infrared Camera) and MIRI (Mid Infrared Instrument) to captu… popsci.com Visit source

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