The First Secret Asteroid Mission Won’t Be the Last

For generations, Western space missions have largely occurred out in the open. We knew where they were going, why they were going there and what they planned to do. But the world is on the verge of a new era in which private interests override such openness, with big money potentially on the line. Sometime


A Lucrative Tax Credit for Making Clean Fuel Won’t Be So Easy to Get

The Biden administration on Friday issued its long-awaited plan to provide lucrative tax breaks to companies that make hydrogen, a clean-burning fuel, proposing new rules meant to ensure that the policy doesn’t inadvertently lead to a spike in planet-warming emissions. Hydrogen is widely seen as a promising tool to tackle climate change, as long as