Based on the Korean astronomers' description of the phenomenon, scientists today believe the outburst occurred in a binary system that contained a dead, highly dense white dwarf star and a companion.

Some scientists are reporting "fast radio bursts" that might be alien civilizations trying to communicate.

Search is on for more galaxy clusters hidden by very bright, active supermassive black holes.

Further study of ancient merger will help scientists better understand galactic evolution.

New measurements show that modern physics cannot succinctly understand the rate at which the universe expands.

The MeerKAT telescope provides astronomers with a brand new glimpse of the center of the Milky Way.

World's most sensitive radio telescope will one day be part of larger, intercontinental facility.

Discovery could help scientists better understand how the universe's first galaxies formed.

Metal-rich stars have been discovered far beyond what was thought to be the galactic disk's boundary.

A newly discovered galaxy makes stars much, much faster than the Milky Way does.

Milky Way's "big sister" continues to grow and experience new star formation.

Discovery will help scientists pinpoint more potential sources of gravitational waves.

Dwarf galaxies have abundant levels of hydrogen gas, the fuel that drives star birth.

A new study sheds light on both the cosmic web, as well as what the universe was like when the first galaxies formed.

For the first time ever researchers have found an origin of the mysterious cosmic rays that come to Earth from outer space.