This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. How much hydrogen awaits us underground? A flurry of exploration efforts is searching for underground stores of hydrogen gas, which could provide a valuable source of zero-carbon fuel. The hunt has…

When multiple companies are behind one project, who bears responsibility for problems?

"We achieved within a few years what had taken the European space industry decades before."

The shift in the fish’s diet is having significant downstream impacts on the environment and climate.

The US government is investigating whether the Cybercab meets vehicle safety standards.