Earth have between just 4% and 25% of the oxygen that their stars are known to have produced. Scientists are not sure where ...

We will describe the celestial phenomena that occur over the frozen continent and explain the best time to observe them ...

Somewhere in the direction of the constellation Sagittarius, about twenty-five thousand light-years away, sits the anchor of ...

Gas swirling around the center of our Galaxy. The animation shows the gas at different infrared wavelengths, demonstrating ...

Gone with the stellar wind?

The Sagittarius A* supermassive black hole at the core of the Milky Galaxy may be "warping the spacetime surrounding it into ...

We've been waiting a long time for the Extremely Large Telescope's first light, scheduled for March 2029. Telescopes this ...

Most of the stars in the Milky Way are what we might call normal stars. They're main sequence stars like our sun, meaning they're doing what most people probably think stars do: shining as they fuse ...

NASA’s Neil Gehrels Swift Observatory is expected to meet its fiery end early Wednesday morning nearly 22 years after its ...

一座星系如果被银河系的引力一点点撕裂，我们还能知道它原来是什么模样吗？人马座矮星系就正在经历这样的命运。它的一部分恒星不断被银河系的引力剥离，沿轨道散布开来，形成绵延的“人马座星流”。如今，原来的星系仍留有残余主体，许多恒星却早已远离曾经的家园。人马 ...