Evolution

Hagfish fossils reveal stepwise eye simplification before near-total vision loss

Many animals, including humans, rely on their eyes to detect changes in their surroundings. The eyes of vertebrates, animals with a backbone or a similar supporting structure, contain a transparent structure (i.e., the lens) ...

Astronomy

Did this star eat its planets? A new study offers clues on 'chemical paradox' of a binary system

Astronomers have investigated a puzzling binary star system in which two stars that may have formed together now show dramatically different chemical compositions. The new study, uploaded to the arXiv preprint server on May ...

Corporate sponsor program

The Future is Interdisciplinary

Find out how ACS can accelerate your research to keep up with the discoveries that are pushing us into science’s next frontier

Medical Xpress

Tech Xplore

First steps: America's grueling second spacewalk

One year after Gemini IV astronaut Edward H. White completed NASA's first spacewalk the agency prepared for a demanding second excursion. Originally scheduled for Gemini VIII, the extravehicular activity (EVA) was reassigned ...

Webb unveils young stars across every stage of formation

For this NASA/ESA/CSA James Webb Space Telescope Picture of the Month, we return to the constellation Orion (the Hunter), a location familiar to Webb. This area of the sky is replete with star-forming clouds that make up ...