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) ...

The mystery of the Hubble tension has deepened with the startling finding that the Coma Cluster of galaxies is 38 million ...

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 ...

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

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

Around the turn of the century, 3.8 million people banded together in a real-time search for aliens — with screensavers. It was a big moment in a century-long concerted search for extraterrestrial ...

The sky will get a colourful nebula, and the remains of the explosion become a small, dense star. While we will not be around ...

The NIAOT in Nanjing was placed on Washington’s entity list in 2023, not long after shipping the finished spectrograph.

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

A new study has revealed the existence of cosmic tunnels that directly connect the solar system to other stars in the ...

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

The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with ...