A unique characteristic of the candidate planet HD 137010b is its ice-cold temperature.
Advances in technology have reopened the debate over terraforming Mars, shifting it from an impossible dream to a long-term scientific and ethical question.
Scientists who work on long-term climate patterns usually stay close to Earth. The data is here, the records are clearer, and ...
The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too cold.