New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite ...

In summer, we face toward the Milky Way's hub in the Teapot constellation, home to the galaxy's supermassive black hole.

A recently discovered interstellar object, 3I/ATLAS, could potentially be the oldest comet ever observed, predating our solar ...

The sight of the Milky Way stretching across the night sky is iconic, but some places offer a better view of it than others. These locations are among the best.

Imagine a star powered not by nuclear fusion, but by one of the universe’s greatest mysteries—dark matter. Scientists have ...

The constellation Lyra is faint, but it contains Vega, one of the brightest stars in our night sky. As soon as it gets dark ...

Earth and the entire Milky Way galaxy might be sitting inside an enormous, mysterious void—a giant cosmic hole making our universe expand faster right here than anywhere else. This unusual idea, ...

The Alpha Capricornids and Southern Delta Aquariids meteor showers, which will both peak July 30, also coincide with a third ...

Discover 3I/ATLAS, an interstellar comet with a reddish hue, rich in water ice, and possibly predating the solar system.

The constellation Lyra is faint, but it contains Vega, one of the brightest stars in the Pottsville night sky. As soon as it ...

Professor Avi Loeb, a theoretical physicist and cosmologist from Harvard University, told MailOnline why he thinks a new ...

This most fundamental question was famously posited by none other than Nobel laureate physicist Enrico Fermi (1901–1954).