121 articles from WEDNESDAY 21.9.2022

Neptune and its rings shown in striking new light by Webb telescope

Farthest planet from sun and its satellites revealed in unprecedented detail by space telescope’s infrared imagerThe James Webb space telescope has turned its gaze away from the deep universe towards our home solar system, capturing an image of a luminous Neptune and its delicate, dusty rings in detail not seen in decades.The last time astronomers had such a clear view of the farthest planet...

New method allows scientists to determine all the molecules present in the lysosomes of mice

Small but mighty, lysosomes play a surprisingly important role in cells despite their diminutive size. Making up only 1-3% of the cell by volume, these small sacs are the cell's recycling centers, home to enzymes that break down unneeded molecules into small pieces that can then be reassembled to form new ones. Lysosomal dysfunction can lead to a variety of neurodegenerative or other diseases, but...

Search for clues may explain collapse of ancient city in Mexico

Built more than a thousand years before the Aztec arrived in central Mexico, Teotihuacan was once one of the largest cities in the world. Its stone temples, comparable in size to Egypt's pyramids, still draw fascinated visitors, as does the mystery surrounding the city's sudden fall around 550 AD.