Science

As NASA aims for the moon, an aging space station faces an uncertain future
The International Space Station is getting older, and NASA is hoping that commercial businesses will take over so that the space agency can focus its efforts on a return to the moon.
Eyes under the water: Volunteers help Great Lakes scientists find invasives below
For years, researchers have been amassing hundreds of underwater videos of lake bottoms as they gather data from the depths. Now, they've asked volunteers to watch those videos and help them identify invasive species that appear in them.
Aspen Ideas Festival: Facebook CEO Mark Zuckerberg
Facebook CEO Mark Zuckerberg speaks at the 2019 Aspen Ideas Festival about the biggest social issues facing the internet: misinformation and harmful content, privacy, election integrity, and the balance of societal values with the constitutional requirement for free speech.
Scientists make model embryos from stem cells to study key steps in human development
Researchers hope these so-called embryoids could provide crucial new insights into how to treat infertility, prevent miscarriages and birth defects and many diseases. But they stir ethical concerns.
Red Lake pursues food sovereignty; a tractor would be nice, too
Red Lake Nation hopes to grow enough healthy, organic food to feed the entire tribe. It has plenty of land and abundant natural fertilizer. The only thing it doesn't have is enough equipment.