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(On the energy radiated by the Sun)It's four hundred million million million million watts. That is a million times the power consumption of the Unite...more

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I'm comfortable with the unknown -- that's the point of science. There are places out there, billions of places out there, that we know nothing about....more

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There are three known planets in the PSR B1257 system, which have been named Draugr, Poltergeist and Phobetor. Poltergeist was the first to be discove...more

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The scientific creation story has majesty, power and beauty. and is infused with a powerful message capable of lifting our spirits in a way that its m...more

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Every carbon atom in every living thing on the planet was produced in the heart of a dying star.

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Light is the only connection we have with the Universe beyond our solar system, and the only connection our ancestors had with anything beyond Earth. ...more