A celestial object some 15,000 light-years away is emitting bright flashes of radio and X-rays that scientists are struggling to explain ...

Using NASA's Chandra X-ray space telescope, astronomers have discovered an entire galaxy cluster wrapped in a 20 million ...

UC Berkeley astronomers found a hidden black hole roaming far from the galaxy’s core. It may eventually merge with the ...

Astronomers have discovered a strange new object in our Milky Way galaxy. The celestial object is emitting X-rays around the ...

“Chandra’s discoveries have continually astounded and impressed us over the past 25 years.” The telescope observes the cosmos through X-ray light, which is invisible to the human ey ...

Chandra spotted a 300,000-light-year jet from a distant quasar. But amid this breakthrough, the telescope now faces defunding ...

EHe stars are an exceptionally rare class of evolved stars that contain almost no hydrogen, the most abundant element in the ...

NASA's Chandra X-ray Observatory has captured a striking image of a distant quasar from the "cosmic noon," including a giant ...

Astronomers from the International Centre for Radio Astronomy Research (ICRAR), in collaboration with international teams, have made a startling discovery about a new type of cosmic phenomenon. The ...

This is the first time an object in its class has been detected in X-rays. The discovery could lead to a better understanding ...

The US space agency has discovered a mysterious object which is sending signals to Earth every 44 minutes. Located about ...