Could a deadly gas be a sign of life?
How do scientists look for life in the universe? Usually they look for gasses that would support life, and assume anything toxic to us would…
Category: What might life look like elsewhere in the Universe?
What might life look like elsewhere in the Universe? How do we search for life?
Looking for life by looking for metabolism
How can amino acids, lipids, and other metabolites help scientists with life detection in space? #Astrobiologists look at how our cells…
There may be other ways to build DNA and RNA
One of the most fundamental building blocks of life on earth is DNA. This molecule consists of four base pairs and a negatively charged…
How stars can limit life in the universe
For the past few decades, scientists have been looking at planets outside of our solar system to see if they could host life. Now,…
If there was oxygen on a far away planet, how would we know?
Scientists use computer models to simulate what oxygen would look like on far away planets and found a chemical signature that helps us tell…
How biology writes its signature
In recent decades the search for extraterrestrial life has seen major advancements in technology and methodology. The search for…
Seven Earth-sized Planets Found
Today, Nature published the landmark discovery of a system of seven planets around a star named TRAPPIST-1 about 40 light years away. This…