Eta Carinae is a mysterious, extremely bright and unstable star located a mere stone’s throw – astronomically speaking – from Earth at a distance of only about 7500 light years. The star is thought to ...

Eta Carinae, an enigmatic star that has mystified astronomers for 160 years with both its sheer beauty and massive size, is repeating a roughly five-year cycle of pumping out X rays. This finding ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Nearly two centuries ago, astronomers saw a mighty eruption from the massive star system Eta ...

In the 1830s and 40s, astronomers and even casual stargazers noticed that the star Eta Carinae was brightening, quickly becoming the second brightest star in the night sky. At a glance it seemed like ...

A huge star system 7,500 light-years away is shooting out radiation at superhigh speeds. A new study with NASA's NuSTAR space telescope shows that Eta Carinae may act as an accelerator of charged ...