No, abiogenesis is not considered a failed theory. Abiogenesis is the scientific hypothesis that life can arise naturally from non-living matter through natural processes. While the exact mechanisms by which abiogenesis may have occurred on Earth are still the subject of ongoing scientific research and debate, the concept itself is supported by considerable evidence and is widely accepted by the scientific community.
Scientists have conducted numerous experiments and observations that demonstrate the plausibility of abiogenesis under certain conditions. These experiments have shown that simple organic molecules, such as amino acids and nucleotides, can be synthesized under conditions that resemble early Earth's environment. Additionally, studies have shown that these building blocks of life can self-assemble into more complex structures, such as proteins and RNA.
While the exact steps and conditions leading to the emergence of life remain uncertain, abiogenesis is a field of active research, and scientists continue to investigate the origins of life through laboratory experiments, computer simulations, and the study of early Earth's geological and chemical conditions.
It's important to distinguish abiogenesis from the theory of evolution, which explains how life has diversified and changed over time once it originated. Evolution is a separate scientific theory that is extensively supported by evidence from multiple fields of study, including genetics, paleontology, and comparative anatomy.