The boundary of the Solar System remains somewhat poorly understood. We know we are within it, in a region of space called ...
A NASA spacecraft has just reached its permanent observation point to begin a mission unlike any before. Known as IMAP, the ...
Telescopes around the world are now tracking a new visitor to our celestial neighborhood. Streaking through at a speed and trajectory that not even the Sun's immense gravity can capture, we will only ...
Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.