The cracks running through samples of asteroid Ryugu, likely formed by repeated thawing and freezing of the water inside, could have helped such asteroids transport the…
The oldest known fragment on Earth? A 4.4 billion year old zirconJohn Valley, University of Wisconsin-Madison Until recently, many people discounted the idea of life on…
Artist’s impression of a rover exploring the surface of MarsMark Garlick/Science Photo Library/Alamy The secret life of spaceNathalie Cabrol (Simon & Schuster (UK), Scribner (US)) David…
The unusual wall-less cells can create structures (main image) similar to those found in 3.4 billion-year-old rocks from South Africa’s Back Reef (inset)Dheeraj Kanaparti et al.…
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