Dark-rimmed ‘leopard spots’ in a rock ... life — and a test of researchers’ ability to evaluate potential biosignatures on other planets. Today’s talks, given at the Lunar and Planetary ...

The Cheyava Falls rock on Mars could have harbored microbial life, although non-biological processes cannot yet be ruled out. Credit: NASA/JPL-Caltech/MSSS The Neretva Vallis channel, where the rock ...

LifeScienceHistory.com: Where history is made daily today announces the release of a music video celebrating science entitled: Earth is a Rock, Let the DNA Mold Me. This press release features ...

Rock samples could tell us whether ... who also works on the Mars Perseverance science team. “Because one important question is if there was life, when was the delta active and for how long?