Dark matter is more than five times as abundant as all the visible matter in the universe. So why can't we see any of it?

Credit: T.A.Rector (NOIRLab/NSF/AURA) & Hubble Heritage Team (STScI/AURA/NASA) Nebulae are all but impossible to spot in the ...

It absorbs and, in many cases, emits electromagnetic radiation in the form of gamma ... light coming to us from a certain section of the sky was bent relative to our expectations, knocked slightly ...

A new study has unveiled new insights into the effects of massive stars on nearby molecular gas and star formation in the W4 ...

The area near clouds is often classified as ‘clear sky’, but a new study demonstrates the potential biases of misclassifying ...

The Tarantula Nebula, also known as 30 Doradus, is revealed in an unusual light in this exceptionally deep Chandra X-ray ...

radiation-hardened microchips ... to withstand these and still produce the desired outputs. Satellite-filled sky from multiple exposure at 51° N lit at night by sunlight. They appear as dashed ...

The military wanted to test the electromagnetic impacts of nuclear weapons in space. In 1962 they lit up the sky.

SPHEREx, by contrast, "has a very large field of view and we see the entire sky twice each year," said Fabinsky ... for all ...

SKY is poised to launch a brand new mystery TV product very soon and The Sun has uncovered a big clue which may suggest what to expect. The broadcaster has sent out invites to press for a "smarter ...

Mr. Bortle continued: "There is little question that, with its daylight display and spectacular evening apparition in a moonless sky, Comet 2024 G3 will long be remembered as the Great Comet of ...