A new rainbow spectrum from the STELES instrument on Chile's SOAR Telescope captures Eta Carinae in unprecedented detail.

An ordinarily dim star is making a brilliant appearance in the night sky after unleashing a powerful nova explosion, which has rendered it visible to the naked eye. The nova V462 Lupi was first ...

Warm mid-August summer nights offer prime conditions for spotting three magnificent star clusters visible to northern-hemisphere skywatchers in the coming months. Star clusters are gravitationally ...

A video capturing a rare natural event—the simultaneous appearance of a double rainbow and a lightning strike—has gone viral on TikTok. The video was posted by allivia (@allivia) and has drawn 2.2 ...

The colors lit up the sky in Isle of Palms. — -- A dazzling "fire rainbow" lit up the sky in South Carolina Sunday afternoon, stunning onlookers who scrambled for their cameras to snap the rare ...