The “Black Widow” pulsar is moving through the galaxy at a speed of almost a million kilometers per hour. A bow shock wave due to
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Every three hours, NASA’s Fermi Gamma-ray Space Telescope scans the entire sky and deepens its portrait of the high-energy universe. Every year, the satellite’s scientists
Some astronomers have recently suggested that neutron-rich heavy elements such as gold might be most easily made in rare neutron-rich explosions such as the collision
An extraordinarily bright isolated star has been found in a nearby galaxy — the star is three million times brighter than the Sun. All previous
This composite image of Arp 147, a pair of interacting galaxies located about 430 million light years from Earth, shows X-rays from the NASA’s Chandra
The beautiful Andromeda Galaxy (M31) is a spiral galaxy a mere 2.5 million light-years away.
Astronomers have discovered evidence for thousands of black holes located near the center of our Milky Way galaxy.
Astronomers discovered a star that is dragging space-time around with it, proving that Einstein was right again.
Hundreds of glittering x-ray stars are present in the above NASA’s Chandra X-ray Observatory image of the spiral Galaxy and its neighbor.
A star about 8,500 light-years away from us, spinning so fast that its surface velocity is more than 620,000 mph! It also has a strange