biosignatures

The Best Evidence for Life on Mars Might be Found on its Moons

The search for Martian life has been ongoing for decades.  Various landers and rovers have searched for biosignatures or other…

2 months ago

Micrometeorites Churn up the Surface of Europa. If you Want to Find Life, You’ll Need to dig Down a Meter or So

According to new research, impact craters caused by micrometeorites are the best place to look for evidence that life exists…

3 months ago

New Technique to Search for Life, Whether or not it’s Similar to Earth Life

A new tool for measuring the complexity of molecules is able to identify those that must have formed in the…

5 months ago

Researchers Develop a new Framework for Searching for Biosignatures

Planning ahead is something astronomy and space exploration excels at.  Decadal surveys and years of engineering effort for missions give…

5 months ago

The Same Technology Could Search for Microbes in Mars Rocks or Under the ice on Europa

NASA's SHERLOC and WATSON, two spectrometers designed to look for biosignatures, could answer if there's life on Mars on inside…

6 months ago

If Astronomers see Isoprene in the Atmosphere of an Alien World, There’s a Good Chance There’s Life There

According to new research from MIT, isoprene is another biosignature we should be on the lookout for on exoplanets!

7 months ago

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…

8 months 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…

10 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?

11 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…

11 months ago