SpaceThe physicist who wants to build a telescope bigger than Earth Alex Lupsasca plans to extend Earth's largest telescope network beyond the atmosphere with a space-based dish. It could spot part of a black hole we've never seen before – and perhaps discover new physics Features
SpaceIs an old NASA probe about to redraw the frontier of the solar system? The New Horizons mission to Pluto, now zooming out of the Kuiper belt, has made a discovery that could upend what we know about where the solar system ends Features