You cannot study other planets without referring to Earth and without applying the techniques and the insights of Earth science. And you cannot really do a good job understanding the Earth without the insights from planetary exploration.

When you think about alien intelligences making art, you then have to think about what art is and how bound up it is in the nature of consciousness. Why do we make art? And what can we expect to have in common with other creatures in universe?

Among the radio astronomers of SETI - the Search for Extraterrestrial Intelligence - it's only sort-of a joke that the true hallmark of intelligent life is the creation of radio astronomy.

Why should we consider defining intelligence as something global and as something that hasn't actually yet appeared on Earth? It may be useful for envisioning the future of our own civilization and any others that may be out there among the stars. It might give us something to strive for.

Data-intensive graph problems abound in the Life Science drug discovery and development process.

By isolating the issues of race, gender, sexual orientation, climate change, environment, governance, economics, catastrophe and whatever other problems the present embodies or the future may bring, science fiction can do what Dickens and Sinclair did: make real the consequences of social injustice or human folly.

I love science.

People only talk about what a joyous experience it is, but there is terror: Your life, as you know it, is over. It's over the day that child is born. It's over, and something completely new starts.