How NASA Engineers Are Keeping the Voyagers Alive

During early calibration tests, the MOTHRA telescope’s array of lenses, which will soon number 1,140, captured stellar debris dissolving into space around the Helix Nebula.

New images from the James Webb telescope show a galaxy with a trio of supermassive black holes. Two of them appear to be locked in a tight tango.

Beginning in Russia’s remote Arctic north, the eclipse traced an arc over much of western Europe – with the best views in Spain, Iceland and Greenland It was a moment of awe shared by millions across Europe: an eclipse that blocked out the sun, plunging parts of the continent into a daytime darkness in which temperatures dropped and birds suddenly went quiet. Wednesday’s eclipse began in Russia’s remote Arctic north, going on to trace an arc over much of western Europe. From the UK to northern Italy, tens of millions of people turned to the sky as the light of the setting sun was almost completely blocked out...