A large coronal hole has emerged on the sun’s eastern horizon. Its fast solar wind may reach Earth, potentially triggering auroras and affecting geomagnetic activity in the coming days.

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Anyone who’s passionate about astronomy and outer space knows that few things can compare to the grandeur and beauty of deep space photography, and on that front, NASA’s New Horizons spacecraft is ...

As it hurtles out of our solar system, NASA’s New Horizons spacecraft is so far from Earth that the stars in the Milky Way appear in markedly different positions compared with our own view.

This story was adapted from a version published by the Southwest Research Institute. Read the original story here. The NASA New Horizons spacecraft’s extensive observations of Lyman-alpha emissions ...