On Nov. 25, engineers at NASA's Goddard Space Flight Center successfully joined the two main segments of the Nancy Grace ...

The final integration of the telescope's major observatory components took place on Nov. 25 inside NASA's Goddard Space Flight Center in Greenbelt, Maryland, where engineers brought together the ...

A flagship study that declared the weedkiller Roundup posed no serious health risks has been retracted with little fanfare, ...

New James Webb Space Telescope observations have revealed a galaxy that shouldn’t exist, a complex spiral galaxy named ...

This spinning branch of the cosmic web binds 14 galaxies together. Credit: Lyla Jung. In a recently published study, ...

A razor-thin cosmic filament is one of the largest rotating structures ever found, with implications for early galaxy ...

NASA has successfully completed the construction of theNancy Grace Roman Space Telescope, a next-generation observatory set ...

Dusty stars close to the Milky Way’s black hole stay stable for years. New infrared data shows they survive gravity and ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

When I was four years old, my pregnant mother drove my sister and me out to Dugway Proving Grounds in Utah to visit my father ...