Science

Four astronauts on Polaris Dawn flight return to Earth after 1st commercial spacewalk
The five-day trip, funded by internet entrepreneur Jared Isaacman, broke several records including the first-ever commercial spacewalk using SpaceX’s Crew Dragon capsule on Polaris Dawn mission.
Volunteers help save rare plants across Minnesota
Minnesota has more than 300 rare native plant species. In many locations, plants were last documented decades ago. A new program is using volunteers to help search for the plants and collect seeds to preserve genetic material.
A needle-less alternative to EpiPen has FDA approval. Will doctors prescribe it?
A nose spray version of the drug epinephrine will soon hit the market, giving people having allergic reactions an alternative to needles. But some allergists are not in a hurry to prescribe it.
Some bats eat a ton of sugar and have no health woes. Are there lessons for diabetes?
Bats are able to consume an extraordinary amount of sugar with no ill effects. Scientists are trying to learn more about how bats do it — and whether humans can learn from their sugar response.