Alta in Northern Norway is a reliable destination for aurora displays, with frequent sightings under clear skies. Here's how ...
In May, NOAA issued a rare severe geomagnetic storm warning. The storm that slammed Earth was the strongest in more than two ...
In May, NOAA issued a rare severe geomagnetic storm warning. The storm that slammed Earth was the strongest in more than two ...
Comets that are visible to the naked eye are not common,” said Tim Brothers, the manager for the MIT Wallace Astrophysical ...
Shortly after 9 p.m., the starry sky lit up with shimmering waves of green and purple. On cue, amazed gasps and cheers ...
A powerful solar storm Oct. 11-12 lit up the skies with breathtaking displays of pink, purple, green and blue, mesmerizing ...
Scientists at NASA and NOAA think the sun has reached the maximum phase of the solar cycle, which means another year — at ...