In the absence of direct observations of extraterrestrial life, scientists often focus on searching for biosignatures, chemical by-products of life, that can be detected with remote sensing. Although Mars has received the ...
Astrobiology
Dec 2, 2022
1
108
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
An international team of astronomers has conducted a double-telescopic study of the zone where the Wow! signal originated and failed to detect any signal. In their paper published in Research Notes of the American Astronomical ...
Earth is about 29% land and 71% oceans. How significant is that mix for habitability? What does it tell us about exoplanet habitability?
Astrobiology
Nov 25, 2022
0
65
In France, the Study and Information Group on Unidentified Aerospace Phenomena (GEIPAN), has been investigating unidentified aerial phenomena (UAPs)—more commonly known as UFOs—for the past 45 years. Attached to the National ...
Space Exploration
Nov 17, 2022
3
194
Is there life in Martian caves?
Astrobiology
Nov 16, 2022
0
71
NASA's Artemis I launch is a major step forward in humans going deeper and spending longer in space than ever before.
Space Exploration
Nov 16, 2022
2
3
We recently examined how and why Saturn's icy moon, Enceladus, could answer the longstanding question: Are we alone? With its interior ocean and geysers of water ice that shoot out tens of kilometers into space that allegedly ...
Astrobiology
Nov 14, 2022
4
25
A team of researchers from Harvard University, the Space Telescope Science Institute, the Harvard-Smithsonian Center for Astrophysics and Wellesley College have outlined the likely requirements to rendezvous with the next ...
When we think about finding life beyond Earth, especially on exoplanets, we immediately want to search for the next Earth, or Earth 2.0. We want an exoplanet that orbits a star firmly in its habitable zone (HZ) with vast ...
Astrobiology
Nov 8, 2022
0
20
