First potentially habitable Earth-sized planet confirmed by Gemini and Keck observatories — ScienceDaily

This is a pretty big milestone.  The first Earth sized planet in a star's habitable zone.  Pity it's so far away (500 light years) that spectral analysis probably won't be possible to figure out what its atmosphere has in it. The first Earth-sized exoplanet orbiting within the habitable zone of another star has been confirmed … Continue reading First potentially habitable Earth-sized planet confirmed by Gemini and Keck observatories — ScienceDaily

When Will We Build the Starship Enterprise? | Seth Shostak

What if we could send humans anywhere at the speed of light, and at a rock-bottom price? That's eminently feasible if we send the information and not the protoplasm. No crew, just code. Consider: The human genome consists of about 3.3 billion base pairs. Since there are only four types of pair, that amounts to … Continue reading When Will We Build the Starship Enterprise? | Seth Shostak