NASA’s First 8K Video

NASA has its first 8K video from space, and it shows the Expedition 56 team hard at work—as well as a few shots of Earth from afar. The project, which was completed in collaboration with the European Space Agency, hopes to show the world that “the science being conducted aboard the International Space Station is answering questions that hold the keys to our future in space …

Comet, Meteor or Alien Spacecraft

Since its first sighting in 2017, “Oumuamua” has puzzled scientists and researchers. Its strange propulsion-like movement and determined trajectory call into question whether the long, flat object is merely a comet or a meteorite—despite that being the more mundane, and maybe likely, conclusion. The way the object sped up as it passed the sun has researchers most puzzled. “Lightsails,” the solar-powered starships that Breakthrough Starshot plans …

Artsy’s Favorite Free Online Courses

While you may not receive academic credit for them, there’s an abundance of free college courses available online. From a class called Pyramids of Giza: Ancient Egyptian Art to Archaeology at Harvard University or Antiquities Trafficking and Art Crime at the University of Glasgow, there are around 10,000 online courses offered by 800 universities. Each one varies in length (from a few weeks to seven months) but …