Could we find aliens terraforming other worlds?
The first early humans to use fire had no inkling of what it would lead to.
Astrobiology
Sep 14, 2023
1
16
International Journal of Astrobiology
Examining properties that allow moons to retain liquid water and possibly enable life
Liquid water is one of the most important ingredients for the emergence of life as we know it on Earth. Researchers of the ORIGINS Cluster from the fields of astrophysics, astrochemistry and biochemistry have now determined ...
Astrobiology
Mar 20, 2023
0
89
There could be four hostile civilizations in the Milky Way, researcher speculates
In 1977, the Big Ear Radio Telescope at Ohio State University picked up a strong narrowband signal from space. The signal was a continuous radio wave that was strong in intensity and frequency and had many expected characteristics ...
Astronomy
Jun 16, 2022
3
458
Researcher describes how extraterrestrial civilizations could colonize the galaxy even if they don't have starships
Astronomers have searched for extraterrestrial civilizations in planetary systems for sixty years, to no avail. In the paper published by International Journal of Astrobiology, Cambridge University Press, and titled "Migrating ...
Astronomy
May 26, 2022
2
246
What if aliens can't reach Earth because gravity traps them on their worlds?
The truth is out there. You want to believe. But you are becoming more and more frustrated because there's no conclusive evidence. All this time, the reason could be basic physics. A study submitted to the International Journal ...
Astronomy
May 4, 2018
88
104
The search for extraterrestrial life in the water worlds close to home
The discovery of seven exoplanets around a star 40 light years from our Sun has raised the possibility that they could harbour life.
Space Exploration
Feb 24, 2017
0
16
Technique enables scientists to search for traces of life on exoplanets in reflected light
A new approach to searching for life on other planets: An international team has discovered that biopigments of plants, so-called biological photosynthetic pigments, leave behind unique traces in the light they reflect. Prof. ...
Astronomy
Aug 6, 2015
0
27
Cyborg Astrobiologist uses phone-cam to search for signs of life
A novel, hybrid part-human, part-machine visual system that uses a simple mobile phone camera has been developed to search for evidence of past or present life in planetary analogue sites on Earth. Patrick McGuire from the ...
Space Exploration
Sep 10, 2013
0
0
Should we build a nature reserve on Mars?
There are 8 billion of us now. The UN says when the population peaks around the year 2100, there'll be 11 billion human souls. Our population growth is colliding with the natural world on a greater scale than ever, and we're ...
Astrobiology
Dec 1, 2022
0
64
Gale before Curiosity: What we knew and what the rover may reveal
The first comprehensive analysis of what we knew about the Gale crater on Mars before the recent landing of space rover Curiosity has been published by the International Journal of Astrobiology (IJA).
Space Exploration
Sep 26, 2012
0
0
