Ann Feild News Today

Astronomers used galaxy clusters as a way to probe the existence of the mysterious force called "dark energy" throughout space and time.

Margaret “Maggie” Lord, a former longtime Sun copy editor who brought a British sense of creative refinement, competency and humor to her work, died Tuesday.

Margaret “Maggie” Lord, a former longtime Sun copy editor who brought a British sense of creative refinement, competency and humor to her work, died Tuesday.

Kathy C. Cordes, a former Baltimore Sun artist who later worked at NASA’s Space Telescope Institute, has died. She was 71.

Kathy C. Cordes, a former Baltimore Sun artist who later worked at NASA’s Space Telescope Institute, has died. She was 71.

James Webb's lens can peer in much greater detail and further back in time than any other telescope in the world.

The James Webb Space Telescope arrived safely at its new home on Monday, 1.5 million kilometres from Earth. Canadian astronomers are now waiting to look back in time to when our universe was in its infancy — and to unravel the secrets of our existence.

From candles to ladders: how astronomers measure very large distances in the universe How do we know the universe is expanding? Your high school trigonometry is involved in the process. Ever wondered how scientists know the distance to planets, stars, galaxies? Or even better, how to measure the universe’s size and its expansion?  Well, they certainly don’t have a giant ruler, but they have other tools — including “candles” and “ladders”. The Parallax and 1 parsec = 3.26 light-ye...