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…

2 weeks ago

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…

2 months ago

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?

3 months ago

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…

3 months ago

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…

10 months ago

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…

10 months ago

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…

2 years ago

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…

2 years ago

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…

3 years ago

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…

3 years ago