For the first time, astronomers have pointed NASA’s two flagship space telescopes at the same patch of sky beyond Neptune and let them work as a team. Hubble handled the visible light. Webb handled the infrared. Together, they picked out 27 previously unknown trans-Neptunian objects, or TNOs — small, icy bodies that drift in the […]

Picture a moonless night, far from any city. Look straight at the point in the sky opposite the Sun — the antisolar point, where the Sun would appear if you could see it through the Earth. There, faintly, you might make out an oval-shaped glow, 8 to 10 degrees across. For scale, that’s roughly the […]