Extraterrestrial Life

What do Scientists Consider the “Habitable Zone” for Planets?

Kepler Space Telescope Spacecraft

The Kepler Space Telescope Spacecraft

You may have seen recent news stating that scientists have discovered several new planets that may support thanks to the Keplar Space Telescope, a spacecraft that is currently traveling through space and observing distant planets, stars, and solar systems.  Thanks largely in part to the work being done by the Keplar Space Telescope, scientists have discovered around 2,300 planets that may be capable of supporting extraterrestrial life.  However, this raises the question – what exactly is the Habitable Zone for planets, and what does this have to do with alien life?

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NASA to Announce Bacterial DNA Composed with Arsenic

While it hasn’t been completely confirmed, sources say that NASA’s big news conference today will confirm the existence of a bacteria that uses Arsenic in place of Phosphorus in its DNA building blocks.  This is big news, because it essentially changes the way we understand the possibility of life.

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Extraterrestrial Aliens: Alien Creatures from Other Planets

space1

Aliens.  The mere mention of the word makes one think of creatures that come from a foreign place.  For some, aliens are pictured as green with tentacles on their faces and three legs instead of the typical two legs that we as humans have.  For the rest, aliens look just like humans, the only difference being that they came from a different planet; a planet other than Earth.

Do aliens exist?  Probably.  Have I ever seen one?  Who knows.  That’s the thing about aliens – we may not know if we have seen one or not because they may look just like us.

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