The Sky title

"Our loyalties are to the species and the planet. We speak for Earth. Our obligation to survive is owed not just to ourselves but also to that Cosmos, ancient and vast, from which we spring."

— Carl Sagan, Astronomer



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Space News Headlines

Scientists measure the evolving energy of a solar flare's explosive first minutes

The core of massive dying galaxies already formed 1.5 billion years after the Big Bang

Here and gone: Outbound comets are likely of alien origin

Taking the temperature of dark matter

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