Earth

By Michael Marshall DNA may have mixed with RNA to produce the first life on EarthRICHARD KAIL/SCIENCE PHOTO LIBRARY Key building blocks of DNA and RNA can be made from the same raw materials. This finding suggests that instead of one or the other kick-starting life on Earth, both chemicals were involved in the first…

By Leah Crane Atmospheric fluctuations can trick astronomersAdastra/Getty Distant galaxies appear to be flashing – but this is actually an optical illusion caused by changes in Earth’s atmosphere that could be both a blessing and a curse for astronomers. Mark Kuiack at the University of Amsterdam in the Netherlands and his colleagues were using the Amsterdam-ASTRON…

Environment 21 April 2020 By Adam Vaughan Denis Hayes helped start the Earth Day movementMary McNair (Bullitt Foundation) This Wednesday marks the 50th anniversary of Earth Day, often spoken of as the birth of the green movement and credited with leading to many key environmental protections in the US. The coronavirus pandemic has led the…

Coronavirus will overshadow Earth Day's golden anniversary, but the movement's successes are worth celebrating, says Gary Paul Nabhan Humans | Comment 15 April 2020 By Gary Paul Nabhan Josie Ford Earth Day, when people around the world come together to support the protection of the environment, is commemorating its 50th anniversary this year. The covid-19…