I just finished the Manifold series by Stephen Baxter. The series is a look at the (solution to, reason for, questions surrounding the) Fermi Paradox through three potential lenses. Best and most raw sci-fi I've ever read. The books left me hopeful, suspended, disgusted and in awe of the depth of this man's observation of humanity.
If you're looking for something lighter, perhaps check out Time Ships by the same author. This was the only authorized sequel to the legendary classic The Time Machine by H.G. Wells.
If you're looking for something lighter, perhaps check out Time Ships by the same author. This was the only authorized sequel to the legendary classic The Time Machine by H.G. Wells.