Exoplanet Hunters Rethink Search for Alien Life
Astronomers expand ideas of how chemistry and geology could affect chances for life on other worlds.
The Case for Cosmic Modesty
Based on the premise that we are not special, Avi Loeb argues for modesty from a cosmic perspective.
Ravenous Supermassive Black Holes May Sterilize Nearby Planets
A new study sheds light on how damaging black holes can be to the habitability of planets throughout the Milky Way and the universe.
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