Technosignature Research Portal

Interstellar spacecraft may be employed for a variety of purposes, including the transportation of passengers to distant colonies, and thus may be easier to detect than automated probes because of the constraints of size, habitability or speed. There are myriad arguments against the viability of interstellar migration, primarily due to the distances involved, but there are also conceivable "doomsday" scenarios where civilizations may have no other choice but to embark on such journeys.

Detectability

• Most strategies for detecting spacecraft in transit rely on observing active propulsion, such as the effluvia of an antimatter engine.

Research

15-Nov-2021		Research Programs Arising from 'Oumuamua Considered as an Alien Craft	Martin Elvis
25-Oct-2021		The First Interstellar Astronauts Will Not Be Human	Stephen Lantin, Sophie Mendell, Ghassan Akkad, Alexander N. Cohen, Xander Apicella, Emma McCoy, Eliana Beltran-Pardo, Michael Waltemathe, Prasanna Srinivasan, Pradeep M. Joshi, Joel H. Rothman, Philip Lubin Acta Astronautica
17-Sep-2021		Stellar Gravitational Lens Engineering for Interstellar Communication and Artifact SETI	Stephen Kerby, Jason T. Wright The Astronomical Journal
8-Jul-2021		SETI in 2020	Jason T. Wright Acta Astronautica
14-Jun-2021		Galactic Traversability: A New Concept for Extragalactic SETI	Brian C. Lacki International Journal of Astrobiology
19-May-2021		'Oumuamua as a light sail -- evidence against artificial origin	S.J. Curran Astronomy & Astrophysics
2-Mar-2021		Concepts for future missions to search for technosignatures	Hector Socas-Navarro, Jacob Haqq-Misra, Jason T. Wright, Ravi Kumar Kopparapu, James Benford, Ross Davis
23-Oct-2020		Contact Inequality -- First Contact Will Likely Be With An Older Civilization	David Kipping, Adam Frank, Caleb Scharf International Journal of Astrobiology
14-Sep-2020		Novel Technosignatures	A. A. Jackson, Gregory Benford
8-Feb-2020		Propulsion of Spacecrafts to Relativistic Speeds Using Natural Astrophysical Sources	Manasvi Lingam, Abraham Loeb

Research Programs Arising from 'Oumuamua Considered as an Alien Craft Martin Elvis (15-Nov-2021)
The First Interstellar Astronauts Will Not Be Human (25-Oct-2021) Acta Astronautica
Stellar Gravitational Lens Engineering for Interstellar Communication and Artifact SETI (17-Sep-2021) The Astronomical Journal
SETI in 2020 (8-Jul-2021) Acta Astronautica
Galactic Traversability: A New Concept for Extragalactic SETI (14-Jun-2021) International Journal of Astrobiology
'Oumuamua as a light sail -- evidence against artificial origin (19-May-2021) Astronomy & Astrophysics
Concepts for future missions to search for technosignatures Hector Socas-Navarro, Jacob Haqq-Misra, Jason T. Wright et al. (2-Mar-2021)
Contact Inequality -- First Contact Will Likely Be With An Older Civilization David Kipping, Adam Frank, Caleb Scharf (23-Oct-2020) International Journal of Astrobiology
Novel Technosignatures A. A. Jackson, Gregory Benford (14-Sep-2020)
Propulsion of Spacecrafts to Relativistic Speeds Using Natural Astrophysical Sources Manasvi Lingam and Abraham Loeb (8-Feb-2020)