Gaian bottleneck means alien life never persists, say Oz astrobiologists
Life on other planets would likely be brief and become extinct very quickly, according to a new paper by astrobiologists…
Tiny vibrations could reveal extraterrestrial life
Looking for life on other planets is not straightforward. Usually, chemical detection is used, but such tests are limited in…
How long can our technological civilization last?
By combining the Earth-based science of sustainability with the space-oriented field of astrobiology, two astrophysicists are attempting to answer questions…
Locate alien civilizations by their pollution, suggest astrophysicists
Harvard-Smithsonian scientists speculate that little green men may not be “green” at all, and finding them might be a simple…
Europa report: moon’s ocean currents make life possible
A team of scientists who have been modeling the subsurface ocean on Jupiter’s moon Europa say that the ocean’s deep…
First discovery of extraterrestrial life will likely be around a white dwarf star, say astrophysicists
Detecting extraterrestrial life from tell-tale atmospheric signatures is much easier to do when the planet under observation is orbiting a…
Springtime on Earth II
The Kepler space telescope has identified a large, rocky exoplanet with a surface temperature of about 22 degrees Celsius (72…
Scientists mull polarized light detection from alien life-forms
Like life on Earth, extraterrestrial life should create an environment with a large amount of molecules that favor one kind…