Centauri Dreams
Musings on White Dwarfs and Planetary Survival
Photosynthesis: A New Angle into Fermi’s Paradox?
Sakurai’s Object: A Stellar Rebirth
Disrupted Systems: Implications for Life
Pandora: Tuning Up our Data on Exoplanet Atmospheres
Fermi Explorer: Building the First Mission to Another Star?
Roman Space Telescope Launches Tomorrow
A ‘Time Variable’ Feature on Pluto?
The Limits of Understanding Between Species, and the Issue for Interstellar Communication
The Ones Who Look Outward
Detection of a Habitable Zone Planet with an Atmosphere
Moon or Planet? The Awkward Case of CD-35 2722B
New Propulsion Systems for Deep Space Smallsats
What the Comments Taught Me: A Reply on Self-Replicating Probes
A Metallurgist’s Doubts About Self-Replicating Probes
New Horizons: Pushing Toward the ‘Termination Shock’
The Intergalactic Fermi Problem
HD 39474: A Brown Dwarf Shapes a Planetary System
The Physics of Interstellar Travel
Observations on ‘The Search for Technosignatures: A Review of Possibilities’
Evolving Strategies in the Search for Extraterrestrial Civilizations
Turbulence Between the Stars
Przybylski’s Star: Still Bizarre After All These Years
A Deeper Dive into the Proxima Centauri Swarm
Moving a Civilization: The Caplan Thruster
Stability of Interstellar ‘Big Dumb Objects’
No Signs of Atmosphere on TRAPPIST-1 b or c
Interstellar Probes: Moving Beyond Bracewell
On Artemis and Starshot
Thinking about Bracewell Probes
Interstellar Choices: Where to Look for Habitability?
Biology on a Rogue Planet’s Moon?
Starshot Is a Success (Part II)
Starshot Is a Success: Part I
The Language of Contact
Propulsion Options for the Solar Gravitational Lens Mission
A Relativistic Explanation for the Dearth of Circumbinary Planets
A New Tool for Exoplanet Detection and Characterization
Holography: Shaping a Diffractive Sail
Shelter from the Storm
Cellular Cosmic Isolation: When the Universe Seeds Life but Civilizations Stay Silent
Pandora: Exoplanets at Multiple Wavelengths
Explaining Cloud-9: A Celestial Object Like No Other
Astrobiology: What Our Planet Can Teach Us
Building a Library of Science Fiction Film Criticism