How far back are we looking in time?

The Universe is a magic time window, allowing us to peer into the past. The further out we look, the further back in time we see. Despite our brains telling us things we see happen at the instant we view them, light moves ...

NASA's New Horizons spacecraft closing in on Pluto

The mysterious, distant and yet unexplored by any probe world of Pluto and its moons, located on the edge of our solar system, is about to get visited. NASA's New Horizons spacecraft on July 14 will perform the first ever ...

Watch Pluto and Charon engage in their orbital dance

Now here's something I guarantee you've never seen before: a video of the dwarf planet Pluto and its largest moon Charon showing the two distinctly separate worlds actually in motion around each other! Captured by the steadily-approaching ...

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