Hong Kong on Tuesday witnessed a rare natural phenomenon, a halo around the sun, that can be experienced only when meteorological conditions are right. The Observatory posted pictures on its ...

This soft and delicate light halo is usually invisible to us ... to witness the Sun’s corona and any surrounding phenomena, such as solar flares or prominences. Finding the perfect viewing ...

Images from ISRO’s Aditya-L1—India’s first mission to the Sun—reveal a solar flare ‘kernel’ in the lower layers ... and ...