But one of the coolest things about meteorites is that most were formed four-and-a-half-billion years ago, during the birth of our solar system, when, for reasons not yet known, a cloud of gas and dust was transformed into a sun with circling planets.

Einstein's theory, we know that it fails. In advance, we know it fails. So that a deeper understanding of nature is awaiting us.

To learn more about science, turn off your electronic device and go outside and look around a bit. Nature is calling you. Go on. The internet will still be here.

In life and in the universe it's always best to keep looking up.

We hunger for significance, for signs that our personal existence is of special meaning to the universe. To that end, we’re all too eager to deceive ourselves and others, to discern a sacred image in a grilled cheese sandwich or find a divine warning in a comet

The idea that God resides in the unknown is what philosophers call the God of the gaps. And we have this thing called science, which marches on and makes discoveries in those gaps, ultimately closing gaps.

All tweets are tasty. Any tweet anybody writes is tasty. So, I try to have each tweet not simply be informative, but have some outlook, some perspective that you might not otherwise had.