Scientists engineer lettuce and tobacco to produce myoglobin for meat alternatives Let us accept it: livestock farming is a heavy burden on the environment. Raising animal feed takes vast amounts of land and huge supplies of freshwater, and it adds to global warming by releasing methane and nitrous oxide. Many consumers also worry about animal…

For decades, a vast region south of India has quietly refused to make sense. Satellites mapping Earth’s shape kept returning the same unsettling result: the ocean surface there sits noticeably lower than it should, as if something invisible is pulling it down from below. Ships passing through would never notice anything unusual, yet space-based measurements…

Astronomers have spent years using the James Webb Space Telescope to examine the atmospheres of distant worlds, hoping those thin outer layers would reveal what lies beneath. For one of the galaxy’s most abundant classes of planets, that assumption may need another look.Many warm sub-Neptunes could contain far more water than their visible atmospheres indicate….