Recurrent nova RS Ophiuchi

Celestial News & Events

Catch a Star's Unprecedented Eruption

At first observers thought they'd discovered a nova — a "new star" erupting from obscurity. But astronomers quickly realized that it was a well-known, formerly well-behaved variable star suddenly gone bonkers.

Discoverer Barbara Harris with her scope

Astronomy & Observing News

Amateurs Discover U Scorpii's Eruption

Astronomers worldwide were waiting — but two remarkable amateurs in Florida turned out to be the ones watching at just the right time.

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