"Today, my colleagues in astrobiology no longer assume that life started at hot vents deep in the oceans. For many, the focus has shifted to locales on land — notably hot spring environments. This shift has also transformed science’s consideration of where life might start in the universe and how common it could be, and provides an upgraded framework to address the age-old question: Are we alone?"
New research suggests the same conditions that created the cracks could have been favorable to the emergence of microscopic life. Scientists aren’t entirely sure how life began on Earth, but one prevailing theory posits that persistent cycles of wet and dry conditions on land helped assemble the
Now, in a paper published today in Nature Communications, Nanglu and his co-authors report that the exquisitely-preserved 500-million-year-old fossil is a dead ringer for some tunicates today, with two siphons to filter organic particles from the water and complex musculature controlling the siphons. “It looks like a tunicate...
NASA Surprised by Cracks in Ancient Martian Mud Discovered by Mars Curiosity Rover (scitechdaily.com)
New research suggests the same conditions that created the cracks could have been favorable to the emergence of microscopic life. Scientists aren’t entirely sure how life began on Earth, but one prevailing theory posits that persistent cycles of wet and dry conditions on land helped assemble the
Half-billion-year-old sea squirt could push back origins of vertebrates, including humans (www.science.org)
Now, in a paper published today in Nature Communications, Nanglu and his co-authors report that the exquisitely-preserved 500-million-year-old fossil is a dead ringer for some tunicates today, with two siphons to filter organic particles from the water and complex musculature controlling the siphons. “It looks like a tunicate...