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"Theories involving substantial formation of stars prior to or together with the black hole formation and growth are very ...
Particles orbiting a black hole could collide at colossal energies, generating collision products that may offer valuable ...
Quasar 0957+561, the first known gravitationally lensed quasar, lies near NGC 3079 in Ursa Major. Here's how to find and ...
Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...
A new quantum recipe for black holes could be the first step toward a theory of "quantum gravity", the "holy grail" of ...
What happens when two rare ring galaxies collide? They form an infinity symbol—or the face of a cosmic owl, depending on how ...
NASA astronomers have confirmed what may be the greatest discovery of the era. They found a significant reservoir of water that was hidden in the cosmos, and that surrounds a quasa ...
The light that the NASA/ESA Hubble Space Telescope collected to create this image reached the telescope after a journey of ...
Hubble spotted a rare off-center black hole shredding a star, revealing the first optical discovery of a wandering ...
The Helix Galaxy, located 42 million light years away, is an unusual object as it is both a polar ring and a lenticular ...
Cosmic radiation occasionally contains enormous amounts of energy, but we don’t know why or where this radiation comes from.
Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of ...