Preliminary results from two experiments suggest something could be wrong with the basic way physicists think the universe works, a prospect that has the field of particle physics both baffled and thrilled.
In this week's issue of our environment newsletter, we look at Canada's pursuit of "green" hydrogen and California's findings on the connection between carbon emissions reductions and GDP.
North Atlantic right whales gave birth over the winter in greater numbers than scientists have seen since 2015, an encouraging sign for researchers who became alarmed three years ago when the critically endangered species produced no known offspring at all.
Millions of years before scientists created genetically modified Atlantic salmon with genes from two other fish, nature created genetically modified smelt with a gene from herring, growing evidence suggests. And now the Canadian scientists who first proposed that controversial idea say they have a hunch how nature might have done it.