biosignatures
We Could Find Extraterrestrial Civilizations by Their Air Pollution
Upcoming telescopes will give us more power to search for biosignatures on all the exoplanets we've found. Much of the…
If a Planet Has a Lot of Methane in its Atmosphere, Life is the Most Likely Cause
The ultra-powerful James Webb Space Telescope will launch soon. Once it's deployed, and in position at the Earth-Sun Lagrange Point…
Beyond “Fermi’s Paradox” XII: What is the Waterworlds Hypothesis?
Is it possible that the reason we haven't heard from any aliens is because there's too much water out there?
Scientists Have Re-Analyzed Their Data and Still See a Signal of Phosphine at Venus. Just Less of it
The team that detected phosphine in Venus' atmosphere has reexamined the data and confirmed their discovery, with a few caveats…
Worlds With Hydrogen in Their Atmospheres Could Be the Perfect Place to Search for Life
We're waiting patiently for telescopes like the James Webb Space Telescope to see first light, and one of the reasons…
Rocky Planets Orbiting White Dwarf Stars Could be the Perfect Places to Search for Life
Some very powerful telescopes will see first light in the near future. One of them is the long-awaited James Webb…
Even if Exoplanets Have Atmospheres With Oxygen, it Doesn’t Mean There’s Life There
In their efforts to find evidence of life beyond our Solar System, scientists are forced to take what is known…
Estimating When Life Could Have Arisen on Earth
A new study by a team of Canadian researchers places new constraints on when life first emerged on Earth, which…
Another Way to Search for Biosignatures of Alien Life. The Material Blasted out of Asteroid Impacts
According to a new study by an international team of researchers, a good way to look for signs on life…
It Looks Like Plate Tectonics Aren’t Required to Support Life
According to a new study, it is possible that extra-solar planets with no plate tectonics might be capable of supporting…