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

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.

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

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

The mighty James Webb and Hubble space telescopes united to reveal stars being born inside the Small Magellanic Cloud, which orbits the Milky Way.

A newly discovered object from deep space may be the oldest comet ever observed—possibly more than 7 billion years old, and ...

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

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

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 ...

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

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