Planetary systems such as our solar system take hundreds of millions of years to evolve. Since humanity has only existed for a sliver of that time, astronomers have only observed planetary systems at ...

Astronomers have long known the universe is expanding—but exactly how fast remains one of the biggest mysteries in cosmology. Different techniques for measuring the Hubble constant stubbornly disagree ...

A closer look at the Lambda Cold Dark Matter model, its core components, supporting evidence, and why new observations are ...

A newly discovered galaxy with glowing star-filled "tentacles" is rewriting parts of cosmic history.

Astronomers have discovered a black hole in the early universe, ID830, growing thirteen times faster than physics allows, defying cosmic rules and challenging long-held theories of black hole ...

Webb telescope captures PMR 1 nebula 5,000 light-years away that resembles a cosmic brain, revealing how dying stars create ...

Astronomers have used the LOFAR telescope array to create the largest radio survey of the cosmos, revealing 13.7 million cosmic scenes, including supermassive black holes, merging galaxies, and ...

New research reveals that active supermassive black holes can suppress star formation in neighboring galaxies across vast ...

WOH G64, a massive star in the Large Magellanic Cloud, is undergoing a rare transformation from a red supergiant to a yellow hypergiant. This shift challenges existing stellar models and sheds light ...

Astronomers use telescopes to look back in time and observe stars and galaxies as they were millions and billions of years ...

Einstein–Rosen bridges may reflect a two-directional structure of time that preserves information and hints at a pre–Big Bang universe.

A telescope in Chile, part of the ALMA network, captured unprecedented details of star-forming gases at the center of the Milky Way. This image, the largest of its kind, reveals cold cosmic gases and ...