The South American country, which hosts some of the world’s major astronomical observatories, promises to protect its night skies, from the Atacama Desert to Tierra del Fuego.

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The stellar gathering known as Garro 04 belongs to a growing number of enigmatic groupings that combine traits of young open clusters ancient globulars.

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Astronomers have long thought supermassive black holes can escape their home galaxies — now they've found one roaming its host's galactic outskirts.

The post Wandering Supermassive Black Hole Found at the Edge of its Galaxy appeared first on Sky & Telescope.

Exploding stars have left their radioactive mark on our planet. Now scientists have found more evidence of a particularly violent event in Earth’s more ancient past.

The post Exploding Stars Sprinkled Ancient Earth With Radioactive Iron and Plutonium appeared first on Sky & Telescope.