Morning Overview on MSN

NASA suddenly halts first alien biosignature hunt over alarming new data

NASA has quietly hit pause on what it billed as its first dedicated hunt for alien biosignatures, reacting to fresh data that ...
Hit Points on MSN

NASA investigates possible alien biosignature—warns scientists are ‘outpacing’ evidence

NASA has temporarily stopped part of its investigation into possible signs of life on a faraway planet, after two years of ...
Connecticut Post

Scientists detected a potential biosignature on Mars – an astrobiologist explains what these traces of life are, and how researchers figure out their source

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) When scientists started looking into the data, they found two types of iron-rich ...
Yahoo

Here’s where NASA is looking for alien life in our solar system

A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The ...
Futurism

NASA Says Its Rover Has Discovered a “Potential Biosignature” on Mars

As the New York Times reports, NASA researchers aren’t quite ready to declare that they’ve found definitive biosignatures — the scientific term for “signs of life” — in the piece of ancient rock the ...
Business Insider

NASA just scored a badly needed win: The best potential evidence of alien life yet

NASA's Perseverance rover has found potential evidence of ancient microbial life on Mars. Scientists must bring the rock to Earth for further study, but three key features make it promising. The ...
Space.com

NASA's new James Webb Space Telescope will be able to sniff out methane. Here's how to tell if it's a sign of life.

Researchers lay out a framework explaining how methane could be a biosignature rather than a false alarm. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...
Phys.org

Venus shows why ozone isn't a good biosignature

This figure shows ozone detection in Venus' atmosphere between 2006 and 2014 by the ESA's Venus Express. Credit: Evdokimova et al. 2011, JGR Planets Just because we can find ozone in the atmosphere of ...
Ars Technica

Skepticism greets claims of a possible biosignature on a distant world

On Wednesday, news broke that researchers had found the most compelling evidence yet of a “biosignature"—a chemical present at levels that are only consistent with life—on a distant exoplanet. It didn ...
The Beaumont Enterprise

NASA's Perseverance rover finds potential Mars biosignature

On Sept. 10, NASA announced that the Perseverance Mars may have come close to discovering life on the red planet. A sample collected by NASA’s Perseverance Mars rover from an ancient dry riverbed in ...
The Telegraph

Scientists detected a potential biosignature on Mars – an astrobiologist explains what these traces of life are, and how researchers figure out their source

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Amy J. Williams, University of Florida (THE CONVERSATION) As the Perseverance rover ...