search for life
Columbia University astronomers suggest a new way we might grab the attention of alien civilizations.
In the three-way horse race to prove that biology is not just a terrestrial aberration, there's one steed that many people ignore: sampling the air of distant planets to see if they contain the exhaust gases of life, or in the jargon of astrobiologists, biosignatures.
Only after searches have been systematic and inclusive enough that null results become significant -- a long way from where
Now we know otherwise -- and that could have implications that extend beyond our own planet. The researchers found that the
The team from Yale University will design new spectrometers that could be used to examine the planets around nearby stars
The research, an analysis of chemical "signatures" in the Martian atmosphere, indicates that some 4.2 billion years ago a
In a panel discussion at the Washington headquarters Monday, the agency said it’s highly unlikely we’re alone in the universe. It believes advancements in telescope technology will help confirm the existence of other life on at least one of the 100 million worlds in our galaxy.
"To find evidence of actual life is going to take another generation of telescopes," Matt Mountain, director of the Space
They think that instead of focusing on the chemical building blocks of life, we should be identifying and seeking out important
Since these stars are cooler than the sun, their habitable zones are much closer in than ours. That puts any planets there