Astrobiology studies the origin, evolution, and possible distribution of life in the universe. One important aspect of astrobiology is the search for biosignatures and bioindicators.…
View More Why might argon be an indicator of extraterrestrial life?
Environmental and economic perspectives are often framed as being in opposition; economic activity damages the environment, and environmental concerns prevent growth. There is one field…
View More What does ecological economics teach us about living sustainably?
One of the best-known mass extinction events in Earth’s history was the Cretaceous-Paleogene (K-Pg) extinction event. Dinosaurs were among the species that perished. It is…
View More How did the asteroid that killed the dinosaurs cause extinction?
Elon Musk and NASA are quarrelling about whether it is possible to terraform Mars. The debate is an old one. Terraforming (sometimes called ecopoiesis in…
View More Terraforming: Stranger than Science Fiction