An artist's impression of the star's journey from the Large Magellanic Cloud to the Milky Way. (Navid Marvi/Carnegie Science) ...

WASHINGTON — The largest monthly jump in gas prices in six decades caused a sharp spike in inflation in March, creating major ...

A dim red giant just out of reach of the Milky Way is providing astronomers with an incredibly rare glimpse into the earliest ...

Astronomers have identified the most primitive star ever found, similar to the first stars every born, dubbed SDSS J0715-7334 ...

Deep in the heart of the galaxy Markarian 501 some 460 million light-years away, scientists have found two supermassive black holes locked in a gravitational dance that could end in a final, violent ...

Indian scientists develop a novel technique combining pulsar dispersion and scattering to measure cosmic distances more ...

NASA captures the first X-ray image of a star similar to a young Sun, HD 61005, blowing a gas bubble like nothing ever seen ...

"It is fascinating that an active galactic nucleus can change its brightness so dramatically over such a short period of time ...

The temperature difference is not subtle. One side of the Milky Way’s outer halo runs noticeably hotter than the other, a ...

J0715-7334 is built different, and appears to be a stranger in our galaxy. Could it have been born from the long-elusive ...

The newly identified star carries almost no heavy elements, making it a rare surviving relic from the universe’s earliest chapters.

Some of the young universe’s biggest structures were hiding in plain sight. Astronomers have now identified more than 33,000 ...