Hubble took a plate of the Andromeda Galaxy (Messier 31) with the Hooker 100-inch telescope of the Mount Wilson Observatory. This plate is famous for having led to his discovery of the first Cepheid ...

The Andromeda nebula, M31, was a prominent example. It’s visible to the naked eye from a dark site ... he noticed that the light was always shifted to longer or redder wavelengths. Light from the ...

The fast-moving gas cloud could help explain the so-called missing satellite problem, if the object is what scientists think ...

The rotating disk galaxy, mostly made up of dark matter, was discovered within a larger cloud of fast-moving hydrogen gas.

A surprising observation from NASA’s James Webb Space Telescope (JWST) has revealed a vestige of a galaxy that peeked through the early universe’s dense fog just 330 million years after the Big Bang.

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

By using precise control of ultraviolet and visible light, the researchers could switch between the rotation of helices, offering a breakthrough for novel materials with tunable properties.

A Michigan State University researcher saw X-rays coming from a black hole using the NASA Chandra X-Ray Observatory telescope.

Hanon Systems recognized with its third PACE Award win, this time for visible-light LED photocatalyst technology that enhances in-vehicle air quality The technology demonstrates 98.5% virus ...

Our guide to the best smart telescopes that will help you observe and capture images of the cosmos with just a tap of your ...

He said: "This will shed light on the precise moment reionization started, and whether it is very massive, hot stars or a black hole at the center of the galaxy responsible for the extraordinarily ...

Why Trust Us? Red light therapy has received a lot of well-deserved buzz in the beauty community lately. The noninvasive skincare treatment uses a specific spectrum of visible light to smooth ...