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 ...

Astronomers have completed a stunning massive photomosaic of our closest celestial neighbor, the Andromeda galaxy, comprised ...

The Andromeda galaxy is our closest galactic neighbour, barring dwarf galaxies that are gravitationally bound to the Milky ...

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) ...

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