There is need to redefine the edge of the solar system. That’s the outcome of new work by two leading space scientists. They present a theory that the Milky Way’s gravity, including its dark matter, redraws the Sun’s frontier. Moreover, it allows the Solar Lagrange points L1 and L2 to form “portals” that funnel interstellar visitors […]

Work has reached an accelerated mode in readying three Ingenuity-class helicopters for deployment at Mars by NASA’s Space Reactor‑1 Freedom spacecraft. Slated for launch in 2028, SR-1 Freedom is the first fission nuclear-powered interplanetary spacecraft and is assigned the duty of dropping off the SkyFall entry capsule loaded with the trio of reconnoitering aerial vehicles […]