My Current Projects…

Moral Paradox and Metaethics: An engagement with paradox has been at the heart of analytical moral philosophy from the 1970’s to present. I argue that this of metaethical significance. Unless we can resolve the paradoxes, scepticism and nihilism loom. Recent papers on this project:

• A New Case for Moral Skepticism: The Argument from Paradox. Forthcoming at Journal of Philosophy.

• Why Moral Paradoxes Support Error Theory. Journal of Philosophy (2023).

• A New Argument for Error Theory. Nous (2022).

Epistemology in the Search for Extraterrestrial Life: Scientists are optimistic that we will soon discover alien life. But what would it actually take? If you would like to see my book manuscript on this subject, get in touch. Some recent papers:

• Comparing Astrobiologists’ Confidence in Extraterrestrial Life Claims for K2-18 b and Cheyava Falls. Forthcoming at Nature Astronomy. (Co-authored with Peter Vickers et al).
• Methodological Conservatism in the Assessment of Unidentified Anomalous Phenomena. Forthcoming at Ergo.
• Optimism in the Search for Extraterrestrial Life: A Philosophical Perspective. Proceedings of the Aristotelian Society (2025).

• New Work on Biosignatures. Mind (2023).
• Confidence of Life Detection: The Problem of Unconceived Alternatives. Astrobiology (2023). (Co-authored with Peter Vickers et al.)
• Arguing about Extraterrestrial Intelligence. Philosophical Quarterly (2023).

• The Oumuamua Controversy: A Philosophical Perspective. Nature Astronomy (2021).

Earlier Books and Papers

I have written about metaethics and axiology. Some books and selected papers below:

• Good News for Moral Error Theorists. Australasian Journal of Philosophy (2016).
• Why Companions in Guilt Arguments Won’t Work. The Philosophical Quarterly (2014).