Large, Distant Comets More Common Than Previously Thought

  NASA’s WISE spacecraft, scanning the entire sky at infrared wavelengths, has delivered new insights about distant cometary wanderers. Comets that take more than 200 years to make one revolution around the Sun are notoriously difficult to study. Because they spend most of their time far from our area of the solar system, many “long-period… Read More

NASA Spacecraft Dives Between Saturn And Its Rings

NASA’s Cassini spacecraft is back in contact with Earth after its successful first-ever dive through the narrow gap between the planet Saturn and its rings on April 26, 2017. The spacecraft is in the process of beaming back science and engineering data collected during its passage, via NASA’s Deep Space Network Goldstone Complex in California’s… Read More