Astronomers measure a star’s brightness using the apparent magnitude system, where lower values indicate brighter stars.

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

Fast radio bursts are mysterious and brief flashes of radio emissions that were thought to be produced by magnetars, highly magnetized rotating neutron stars. Yet magnetars appear primarily in young ...

About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and ...

Two stars in Wolf-Rayet 140 collide, forming carbon-rich dust. Webb captured 17 expanding dust shells, revealing ...

A spectacular celestial event will unfold as six planets align in what astronomers call a planetary parade, offering ...

Astronomers have identified a colossal giant radio galaxy (GRG) stretching 3.3 million light-years across—32 times the size ...

The mystery of Fast Radio Bursts (FRBs) is more diverse than previously known after rapid emissions unexpectedly come from an ...

In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...

U.S. National Science Foundation NOIRLab astronomers, using data from the James Webb Space Telescope and the Chandra X-ray ...

Because planets always appear in a line, the alignment isn't anything out of the norm. What's less common is seeing so many ...

Infrared observations help astronomers uncover hundreds of obscured supermassive black holes, reshaping cosmic understanding.