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Since its origin in the big bang 13.8 billion years ago, the cosmos has unfurled a story of majesty and wonder. There's much we think we grasp, but so much more that leaves us in the dark. In this ...

Follow its development and take a peek at what's ahead with the Mysteries of Deep Space interactive timeline ... event in the history of our universe. 10^-35 seconds The Big Bang 10^-6 seconds ...

A twisting, whirling streamer of plasma escaping the sun in the aftermath of a coronal mass ejection (CME) has been captured on video by the European Space ... sun's greatest mysteries — how ...

It's no secret that space is full of mysteries. Our species has barely gone past our own planet's moon, and only one of our probes, Voyager 1, has even left the solar system. Much of what we've ...