Impact Factor
3.52
Journal Citation Impact
Estimated influence, citation density, publishing volume, and citation integrity from the analytics table.
Citation rate
3.11
540 total citations
h5-index
38
h5 depth signal
Cited share
74.3%
139 of 187
Total citations
540
Citation footprint
Metric signal
3.43
External metric anchor
Self-citation
7.2%
39 self-citations
Citations Trend
Monthly Publications Cadence
Citing Geographic Demographics
United States
638
United Kingdom
187
Germany
144
France
106
Canada
91
Citing Fields of Research
Astrophysics
694
Bacteriology
161
Nucleic Acids Chemistry
121
Solid Earth Sciences
108
Paleontology
99
Publishing Activity & Reach
Volume, recency, access pattern, and citing-community signals from the journal analytics record.
All-time article footprint
2,164
Articles tracked across the journal lifetime
Indexed publication set
187
139 cited publications
Last 12 months
99
8.3 publications/month
Open access share
13.1%
13 OA publications in the last year
Leading citing country
United States
638 citing publications
Leading citing field
Astrophysics
694 citing publications
Latest tracked publication
14 October 2026
10 recent records available
Coverage & Indexing History
v1n1, spring 2001-
v1n1, spring 2001-
Active Coverage
Research Focus & Classification
Indexed Subjects
Astrophysics
Broad Categories
Biology
Astrophysics
MeSH Descriptors
Exobiology
Latest Publications
Recent article records with DOI-first linking and condensed abstracts.
01
DOI 10.1177/15311074261499439
Open DOI
Ancient Endorheic Lake Basins: Promising Sampling Sites for the Tianwen-3 Mars Sample Return Mission
The China National Space Administration has announced its Mars Sample Return mission Tianwen-3 to search for life on Mars. Tianwen-3 will be launched in 2028 and return ∼500 g of samples in 2031. Since the Tianwen-3′s stationary lander w...
02
DOI 10.1177/15311074261499019
Open DOI
Astroecology: Theory and Models of the Universal Structure and Distribution of Life
Astroecology has been proposed as a scientific field to study the diversity, structure, and function of ecosystems on Earth and other worlds; it is increasingly important as new space-borne observatories expand the search for inhabited p...
03
DOI 10.1177/15311074261499442
Open DOI
A Proposal to Make Mars Sample Return a Collaborative NASA, ESA, and CNSA Effort
Humanity’s self-awareness drives the quest to understand the origins of life. Although Earth history has erased much of our planet’s early biological evidence, Mars preserves ancient environments that may hold clues to life’s emergence. ...
04
DOI 10.1177/15311074261493342
Open DOI
Intimate Link Between Prebiotic Chemistry and Meteorites: Mechanisms of Organic Molecule Formation
Whether meteorites brought ingredients necessary for the origin of life exogenously or they were produced endogenously on early Earth, having a prebiotic chemical inventory of organic compounds associated with meteorites is critical, as ...
05
DOI 10.1177/15311074261493711
Open DOI
A Review of the Geochemical Environment at Selk Crater on Titan: Applications to Dragonfly
This article summarizes the current state of knowledge regarding the destination for NASA’s Dragonfly mission: Titan’s Selk crater. We aim to foster an enhanced understanding of the environment in which Selk crater formed and how it evol...
06
DOI 10.1177/15311074261494441
Open DOI
Assessing the Preservation of Polysaccharides from a Sea-Ice Bacterium Through Analog Icy Moon Plume Ejection
Detection of complex organics emitted from Saturn’s moon Enceladus has intensified the search for biosignatures accessible to future missions. Extracellular polysaccharides (EPSs) from sea-ice bacteria such as Colwellia psychrerythraea a...
07
DOI 10.1177/15311074261493395
Open DOI
Beyond the Prebiotic Soup: Solid Organic Films and Protocell-Like Formation in Prebiotic Discharge Experiments
The original Miller–Urey experiment demonstrated the abiotic synthesis of organic compounds under early Earth conditions, yet the physicochemical properties and internal organization of the associated insoluble solid organic films (SOFs)...
08
DOI 10.1177/15311074261493349
Open DOI
Oxidation of Photochemical Organic Hazes: A Prebiotic Source of Oxygen-Bearing Organics in Titan’s Atmosphere and Early Earth?
Photochemical organic hazes such as those found in the atmosphere of Titan, the largest satellite of Saturn, are mainly composed of reduced chemical components. However, in these predominantly reduced atmospheres favorable to the formati...
09
DOI 10.1177/15311074261484864
Open DOI
The Abiotic Background: Challenges and Opportunities in the Search for Evidence of Life Beyond Earth
The “Exploring the Abiotic Background for Life Detection” workshop was convened between March 31, 2025, and April 3, 2025, at the Carnegie Institution for Science in Washington, D.C. The workshop gathered scientists and technologists fro...
10
DOI 10.1177/15311074261484862
Open DOI
The Case for Integrating Astrobiology Before, During, and After Crewed Space Missions
The transition to sustained human space exploration is reshaping how astrobiology can be conducted. As missions extend beyond low Earth orbit and involve governmental and commercial actors, astrobiology is increasingly becoming embedded ...
Bibliographical & Catalog Notes
Also available online via CatchWord.
v.1, no. 1 (Apr. 2001)20021217 Notice published Printed on acid-free paper that meets the full ANSI standard for Permanent Paper