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New Horizons in good shape approaching Pluto

Now just three weeks from its historic flyby of Pluto, NASA’s New Horizons spacecraft is close enough to detect objects smaller and dimmer than the dwarf planet’s smallest known moon and so far, nothing has been spotted that would pose a threat to the probe as it barrels through the system at more than 30,000 mph, scientists said Tuesday.

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Comet lander wakes up!

The European Philae comet lander, out of power and presumably lost after bouncing into heavily shadowed terrain last November, phoned home Saturday after finally getting enough sunlight on its solar panels to transmit data to the Rosetta orbiter for relay to Earth.