A NASA observatory captured what appeared to be a jack-o’-lantern-esque smile on the sun’s surface ... which appear as irregular black patches when the sun is imaged in ultraviolet light ...

In an effort to expand the reach of Jack’s smile and placate the community, painters created a jack-o’-lantern face on both sides of the tank, he said. Community is in large part the focus of ...

An emoji. And a jack-o’-lantern, just in time for Halloween. Last week, NASA’s Solar Dynamics Observatory captured an image of the sun’s surface in an apparent smile. “Today ...