Two New Moons Found Around Jupiter

Jupiter has long been known to have the most moons of all the planets in the Solar System—just barely surpassing Saturn’s official 62, although that’s not taking into consideration the larger chunks of icy material within Saturn’s rings—and its leading margin has just increased even further with the discovery of two more moons, bringing Jupiter’s…

Watch Ed White Perform the First American Spacewalk, 52 Years Ago Today

Today is the the 52nd anniversary of America’s first spacewalk, performed by NASA astronaut Edward H. White II on the afternoon of June 3, 1965 during the four-day Gemini IV mission. In NASA terminology spacewalks are also referred to as extravehicular activities, or EVAs—basically anything done outside the protection of a spacecraft. The video above shows footage…