
Spring Cleaning on Mars
NASA's Insight lander is already pretty dirt-covered, but Mars may help clean it up
Discussion and news about planets, exoplanets, and astrobiology
NASA's Insight lander is already pretty dirt-covered, but Mars may help clean it up
A roundup of recent research with astrobiological implications
If reality is manufactured it’s time to lodge some complaints
A five-billion-year-old detective story reveals two new players in our origins
Elusive methane in the atmosphere of Mars gets even more elusive
Our first up-close black hole image starts to reveal the anatomy of the extreme
For photon-eating life, smaller stars are unavoidably inferior providers—according to thermodynamics
Questions about living systems on other planets come with some baggage
Heads up! Our planet is under constant bombardment
The near-Earth asteroid Bennu seems to be ejecting unexpected particles