Modern atheism seems like to orbit in just a denial of the concept of God provided by a fundamentalist interpretation of the Bible blended with a baseless scientism (universal applicability of science or everything must be scientific). Modern atheism is not based on science but on philosophical opinions of famous scientists and philosophers. Strangely atheists try to hijack science but their position it's not science but philosophy. In the 19th century atheism was purely philosophical (Nietzsche, etc..) but in the 20th century atheists wanted to be scientific (why?!?).
God is not a subject to science, but God is subject to philosophy and God is philosophically possible. Atheists seems to forget that the very scientific method is a philosophical method applied to the physical world (one aspect of the scientific method is based on a philosophy created by a Catholic monk, the Occam's Razor). So it's very illogical to use scientific method to disprove God.
With this atheistic view it's also impossible to cope with things not reached by scientific method of explanation like morality, justice, etc.
Consciousness cannot be submitted to the ordinary scientific method (we even don't have a definition of it) so the logical conclusion of materialism is consciousness doesn't exists at all. This is called eliminativist materialism or eliminativism. Dennett and Harris being two famous advocates of it (Dawkins is mute about it AFAIK).
Famous atheists also affirm that the universe came to existence (Hawking talks about a strange argument that gravity is the ultimate cause) by itself so logically you have a nothing as a first cause. Ultimately our entire universe (including us) is caused by nothing.
Nihilism says that there's nothing.