Space telescopes are typically optimized either to study a small patch of the sky across many wavelengths of light or to ...
Space​‍​‌‍​‍‌​‍​‌‍​‍‌ is big. Really big,” one could say with no exaggeration, as the vast distances between stars sometimes bring a surprise visitor less than a light-year away, making possible its ...
Is 3I/ATLAS a comet or an alien ship? Harvard's Avi Loeb warns of a 'serial killer' visitor as the interstellar object makes ...