Early risers across North America and Europe may notice something unusual in the skies this Christmas, a bright, silent light, gliding smoothly overhead in the hours before sunrise on Dec. 24 and Dec.

New Delhi: NASA Administrator Jared Isaacman revealed on X that NASA astronauts on the Crew 12 mission to the ISS and the Artemis II lunar flyby, will be flying with the latest smartphones. Isaacman ...