New research indicates why hugs and other varieties of “pleasant touch” feel good. The study in mice identifies a chemical messenger that carries signals between nerve cells that transmit the sensat… [+5020 chars]
WASHINGTON A senator and former astronaut said he did not expect Russia to perform another test of an antisatellite weapon because of the debris that posed a risk to that countrys own satellites as w… [+5408 chars]
A forest's ability to regenerate after devastating wildfires, droughts or other disturbances depends largely on seed production. Findings from two new studies led by Duke University researchers could… [+4687 chars]
A University of Arizona tree-ring expert is closer than ever to pinning down the date of the infamous Thera volcano eruption -- a goal she has pursued for decades.Charlotte Pearson, an associate prof… [+6132 chars]
In the coming decade, NASA and China plan to send the first crewed missions to Mars. This will consist of both agencies sending spacecraft in 2033, 2035, 2037, and every 26 months after that to coinc… [+7256 chars]
Mars ain’t the kind of place to raise your kids.In fact it’s cold as hell Elton John, Rocketman Mars is hard. Only 26 of 56 missions sent to Mars have been successful. Landing on Mars is especially… [+13043 chars]
Infectious diseases such as malaria remain a leading cause of death in many regions. This is partly because people there dont have access to medical diagnostic tools that can detect these diseases (a… [+5085 chars]
During the last ice age, glaciers covered vast portions of North America.But some regions, including areas of the southern Appalachians and the Gulf Coast, had more temperate climates in which plants… [+3212 chars]
When and how medium-sized black holes- between the size of a stellar-mass black hole and a supermassive black hole- form remains unclear. Most of the theories for their formation rely on conditions f… [+2482 chars]
A group of rare diseases called ciliopathies -- polycystic kidney disease notable among them -- emerge from defects in cilia. These are the tiny hairlike structures on the surface of almost every cel… [+3331 chars]
A team of researchers at the Arizona State Universitys School of Earth and Space Exploration has determined that the olivine-rich bedrock in the Gusev crater and in and around the Jezero crater on Ma… [+3211 chars]
<li>Christiansen, J. in Handbook of Exoplanets (eds Deeg, H. & Belmonte, J.) 19331947 (Springer, 2018). </li><li>Wolszczan, A. & Frail, D. A. Nature355, 145147 (1992). ADS Article Goog… [+3281 chars]
