The sun may too bright and too powerful for us to look at with the naked eye, even from nearly 92 million miles away on Earth, but a solar orbiter recently got an unprecedented up-close glimpse of the ...

This view is just part of a new, high-resolution image of the sun's full surface captured by the Polarimetric and Helioseismic Imager (PHI) on the Solar Orbiter spacecraft. Screenshot. ESA & NASA / ...

Harvard astrophysicist Avi Loeb is urging NASA to release high-resolution images of 3I/ATLAS that he says were taken Oct. 2. Loeb has said the interstellar object could be alien tech, rather than a ...