Results 121 to 130 of about 5,730,658 (292)

The question "Are We Alone?" in different cultures

open access: yes, 2009
A survey of the worldwide litterature reveals that the question "Are We Alone in the Universe?" has been formulated only in the western litterature. Here I try to understand why it is so.
Schneider, Jean
core   +2 more sources

Aerospace medicine and biology: A continuing bibliography with indexes (supplement 336) [PDF]

open access: yes
This bibliography lists 111 reports, articles and other documents introduced into the NASA Scientific and Technical Information System during April 1990.

core   +1 more source

A Protocol for Messaging to Extraterrestrial Intelligence

open access: yes, 2011
Messaging to extraterrestrial intelligence (METI) is a branch of study concerned with constructing and broadcasting a message toward habitable planets.
Ball   +34 more
core   +1 more source

Aerospace medicine and biology: A continuing bibliography with indexes (supplement 324) [PDF]

open access: yes
This bibliography lists 200 reports, articles and other documents introduced into the NASA Scientific and Technical Information System during May, 1989.

core   +1 more source

Commission 51: Search for Extraterrestrial Life [PDF]

open access: bronze, 1985
Michael D. Papagiannis   +11 more
openalex   +1 more source

The Meteoritical Society: Business from 2023 to 2024

open access: yes
Meteoritics &Planetary Science, Volume 60, Issue 3, Page 680-696, March 2025.
Nancy L. Chabot   +2 more
wiley   +1 more source

Aerospace medicine and biology: A continuing bibliography with indexes (supplement 361) [PDF]

open access: yes
This bibliography lists 141 reports, articles and other documents introduced into the NASA Scientific and Technical Information System during Mar. 1992.

core   +1 more source

Exoplanets and SETI

open access: yes, 2017
The discovery of exoplanets has both focused and expanded the search for extraterrestrial intelligence. The consideration of Earth as an exoplanet, the knowledge of the orbital parameters of individual exoplanets, and our new understanding of the ...
A Loeb   +52 more
core   +1 more source

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