Phys.org news

Phys.org / The discovery of a buried delta on Mars could boost the search for life

There's more evidence that water once flowed on Mars with the discovery of an ancient river delta deep below the surface. NASA's Perseverance rover found it more than 35 meters beneath Jezero Crater using ground-penetrating ...

8 hours ago
Phys.org / 'Miracle': Europe reconnects with lost spacecraft

The European Space Agency announced Thursday it has re-established communication with a spacecraft that is part of its Proba-3 mission, after losing contact with the satellite a month ago.

5 hours ago
Phys.org / How a tryptophan-rich allosteric communication network helps activate a major drug target receptor

A multinational research team led by researchers at Institute of Science Tokyo, RIKEN, and the University of Toronto has revealed how a tryptophan-rich allosteric communication network regulates receptor dynamics and activation ...

4 hours ago
Phys.org / Monte Verde fieldwork resets age of famous South American archaeological site

New research led by a University of Wyoming archaeologist near an ancient encampment in South America challenges a relatively new but widely accepted theory that the people who made and used Clovis points in North America ...

5 hours ago
Phys.org / The Yamna reused sacred spaces in the north Pontic Steppe, study suggests

According to an article published in Antiquity by Dr. Svitlana Ivanova and her colleagues, the Yamna culture's repurposing of older ritual spaces reflects a deliberate appropriation and continuation of sacred spaces. A case ...

9 hours ago
Phys.org / How our planet's history was shaped when the Earth moved

The history of Earth is written on the great tablets of tectonic plates. The motions of plates shaped land masses, formed oceans, and created the varied climates and habitats that set the stage for evolution and the diversity ...

5 hours ago
Phys.org / DESI maps C-19, an extremely metal-poor Milky Way stellar stream

Using the Mayall 4-meter telescope at Kitt Peak National Observatory, an international team of astronomers has observed C-19—an extremely metal-poor stellar stream in the Milky Way's halo. Results of the observational campaign, ...

8 hours ago
Phys.org / Earthquake scientists reveal how overplowing weakens soil at experimental farm

Plowing, or tilling, is an age-old agricultural practice that readies the soil for planting by turning over the top layer to expose fresh earth. The method—intended to improve water and nutrient circulation—remains popular ...

5 hours ago
Phys.org / Humans and animals have the same preference in mating calls, citizen science experiment finds

The bright colors of butterfly wings, the sweet aromas of flowers, and the euphonious melodies of songbirds all evolved as signals that help individuals propagate, yet humans also find these very same signals pleasing to ...

5 hours ago
Phys.org / Old-growth forests store a lot more carbon than managed forests, study finds

Swedish old-growth forests store 83% more carbon than managed forests, according to a new study from Lund University. The difference is substantially larger than previous estimates and is mainly due to large carbon stocks ...

5 hours ago
Phys.org / Study uncovers mineral 'sink' that reduced phosphorus in early oceans, potentially delaying Earth's oxygen rise

Scientists have long sought to explain a key mismatch in Earth's early history: oxygen-producing photosynthesis evolved hundreds of millions of years before atmospheric oxygen began to rise during the Great Oxidation Event. ...

5 hours ago
Phys.org / How an RNA-binding protein detects and responds to non-optimal codon usage in human cells

Human genes are written in long strings of three-letter units composed of four different nucleotides. These units—or codons—specify one of many amino acids, the building blocks of proteins. Multiple codons can encode ...

5 hours ago