Looking for a truly unbiased source or "the truth" is going to take you the rest of your life. Those are incredibly difficult to pin down, especially for topic as old and as charged as the Bible. Some reading on this sub that might interest you.

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On Jesus:

How much evidence is there for a historical jesus christ besides the bible? by u/talondearg talks about the typical focal point of this question.

Is Tacitus the main reason historians accept Jesus's historicity? by u/jasoncaspian

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The Bible as a whole:

For a discussion of how the Bible fits into the study of history see Is the Bible/religious texts considered a reliable source for historians? by u/kookingpot

A very, very brief answer by u/flubb is here that touches on the ideas of minimalism and minimalism and links to the wikipedia articles members of those camps.

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On the Jews in Egypt:

Is there any evidence that the Jews were slaves in Egypt? by u/Flubb

Wednesday AMA: Jewish History Panel by u/the3manhimself

"The reality is that there is no evidence whatsoever that the Jews were ever enslaved in Egypt." This article states... by u/talondearg

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On the Great Flood (in general, not necessarily Biblical)

Why does so many cultures have a Great Flood myth? Did a flood really occur or is it a mythological archetype? by u/BlueStraggler and u/Itsallfolklore

Why is it that nearly every ancient culture around the world has a flood myth but a worldwide flood theory is not accepted by historians by u/Taiko and u/CommodoreCoCo