Rare ultra-faint dwarf galaxies beyond the influence of other galaxies show evidence that star formation was stifled long ago ...

A mysterious fast radio burst from a dead galaxy challenges theories, hinting at unknown cosmic forces producing powerful ...

Giant radio galaxies are cosmic megastructures that can span millions of light-years, making them some of the largest-known ...

Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

A "cosmic CT scan" performed by scientists using two very different cosmic surveys has revealed the cosmos is less clumpy and ...

NASA discovered black holes fueling their own growth by cooling gas, creating a cycle of jets, filaments, and feeding, ...

A radio telescope in South Africa has unearthed a giant galaxy—dubbed a "cosmic megastructure"—with plasma jets that measure ...

Measurements of the distance to the Coma Cluster of galaxies find that it is millions of light years closer than the standard ...

Inkathazos glowing plasma jets are shown in red and yellow. The starlight from other surrounding galaxies can be seen in the ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...

Unprecedented discovery of fast radio bursts challenges existing theories. Astronomers detect repeated signals from an ...

Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.