"Theories involving substantial formation of stars prior to or together with the black hole formation and growth are very ...

Scientists have observed a new type of black hole that is too heavy to have been born from a star but still too slim to … The ...

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of ...

Particles orbiting a black hole could collide at colossal energies, generating collision products that may offer valuable ...

Hubble Space Telescope snapped an image of UGC 11397, a spiral galaxy situated in the constellation Lyra, about 250 million ...

Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the ...

What happens when two rare ring galaxies collide? They form an infinity symbol—or the face of a cosmic owl, depending on how ...

NASA, ESA, and ground observatories have detected powerful space explosions caused by black holes tearing apart massive stars ...

NASA's Chandra X-ray Observatory provides a new look at the Andromeda galaxy in this multi-wavelength image that includes ...

LOFAR is a massive radio telescope that comprises 100,000 antennas spread across eight European countries. The researchers ...