A dam Riess was 27 years old when he began the work that earned him the Nobel Prize in Physics, and just 41 when he received ...

A sweeping cosmic census from the James Webb Space Telescope has unveiled nearly 1,700 galaxy groups—marking the deepest and ...

A newly analyzed radio image reveals twin lobes stretching roughly 66,000 light-years on each side of a quasar called ...

Astronauts Steven Smith and John Grunsfeld, appear as small figures in this wide-angle photograph from December 1999, taken ...

In a Universe that was only 700 million years old, long before Earth even formed, something unexpected happened. A massive ...

In 1987, an enormous blue arc, thought to be hundreds of trillions of miles long, was first considered one of the largest ...

T he Solar System has just gotten a new official member. Currently, with the name of 2017 OF 201, this is a trans-Neptunian ...

Scientists using the XRISM satellite have uncovered a major clue to one of astronomy’s longstanding mysteries: why galaxy ...

Jackie explains that a laser inside the tubes is split, bounces off mirrors, and goes straight back to sensors at the center ...

Pointed away from Earth about 404 miles overhead, the orbital observatory will circle the planet from north to south about 14.5 times each day as it images a single, circular strip of the sky. Given ...

In this gallery, we take a look at some of the most outlandish objects in space ... note in final tribute to late Pontiff World's largest passenger plane to start flying regularly from DIA ...

Objects in DESI's catalog range from nearby ... In 2024, DESI researchers used the data in DR1 to create the largest 3D map of our universe to date and make world-leading measurements of dark ...