EarthSky News - Oct 10 - Why Do We Age? Earth-Life Clues on Mars

October 10 Why Do We Age? Earth-Life Clues on Mars by:

Penetrating the mystery of why we age Researchers in Germany call the aging process "a quirk of evolution" and take a step forward in understanding why we didn't evolve to live forever. This region on Mars may hold clues to earthly life Evidence for deep-sea hydrothermal vents on Mars. Even if Mars never had life, this region may tell us about the type of environment where life on Earth may have begun. Asteroid to sweep close October 11-12 Asteroid 2012 TC4 will pass within the moon's orbit this week and be used it as a test of Earth's global asteroid defense system. How to see it online.  EarthSky's 2017 meteor shower guide Draconids have passed, mostly in bright moonlight. Orionids, Taurids, Leonids and Geminids ahead! Orionids peak before dawn October 21, in a moon-free sky.

EarthSky t-shirts are back EarthSky is happy to announce our latest initiative EarthSky Cares. A percentage of proceeds collected through this sale will be donated to select organizations. Click here to help us make a difference in our world today!

Summer Triangle and the galactic plane See the line of the galactic equator? Seen in 3D, it's the plane of our Milky Way galaxy. The Summer Triangle can help you visualize it.

Fall colors in New Hampshire "Fall colors are back," wrote photographer Manish Mamtani. Submit your photo to EarthSky here!

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