How RNA helped build life’s first proteins
 Researchers at University College London have discovered that activated amino acids and sulfur-containing compounds called thiols—both likely…
Two-billion-year oxygen transformation on earth unveiled
How Earth’s atmosphere transformed from oxygen-poor to oxygen-rich over a span of about two billion years has been…
Scientists Discover That Our Solar System’s Biggest Planet Was Once Much Larger, Playing A Huge Part In The Creation Of Other Planets » TwistedSifter
Kevin M. Gill/NASA/JPL-Caltech/SwRI/MSSS With a diameter of 88,846 miles at its equator, Jupiter is the biggest planet in…