Rocks that formed some 3.7 billion years ago in the early Archean have given us the earliest glimpse yet of Earth's magnetic field. That was a time when Earth may have been still wrapped in water ...

NASA's Curiosity Rover has discovered long carbon chains on Mars. On Earth, molecules like these are overwhelmingly produced ...

Earth is about 4.5 billion years old. Scientists think that by 4.3 billion years ago, Earth may have developed conditions suitable to support life. The oldest known fossils, however, are only 3.7 ...

Life on Earth looks good for its age ... of Gabon that suggest conditions for animal life started about 2.1 billion years ago, the BBC reported. Going back 3.7 billion years, the very first ...

But according to new research, published today in Proceedings of the National Academy of Sciences, large molecules found on Mars apparently are as old as life on Earth ... 3.7 billion years ...

Perhaps the most compelling reason to understand “deep-time” climate change is in how it relates to the origin and evolution of life on Earth ... 3.9 to 2.5 billion years ago (Bya) (Figure ...