Engineers are testing a system designed to destroy NASA's massive Space Launch System moon rocket in case of problems with its impending launch. Last week, NASA worked to certify the critical flight… [+2310 chars]
Structure and functional analysis of tRNA-Asp-AUC. (A) Predicted structure of the SPC6 tRNA-Asp-AUC. Solid circles represent G:C base pairs and open circles represent A/G:U base-pairs. (B) Relative e… [+3945 chars]
Enlarge/ Stacey Morgan and her four children watch Drew Morgan launch in July 2019. 33 with 28 posters participating One of the very first things that a new NASA astronaut learns is that there is n… [+4808 chars]
High resolution, high sensitivity measurements of adhesion forces can potentially transform many applications. A newly developed Fiber-Tip Microforce Sensor (FTMS) by Professor Yiping Wang and collea… [+5583 chars]
Uranus is the seventh planet from the Sun and has the third largest diameter in the solar system, yet it's commonly overlooked and joked about due to its name. James Webb Space Telescope project sci… [+2459 chars]
Dangerous space junk illustration. If governments dont act, space rocket junk might have deadly consequences. According to a recent University of British Columbia research, there is a six to ten pe… [+4648 chars]
A bacterial species closely related to deadly citrus greening disease is rapidly evolving its ability to infect insect hosts, and possibly plants as well. The newly identified species belongs to Lib… [+3709 chars]
A poison frog (Dendrobates tinctorius) sits on a leaf in the tropical rainforest. (Image credit: Dirk Ercken via Alamy Stock Photo) It's one of the oldest questions tackled by naturalists: Why do t… [+6363 chars]
In the early 1950s, a group of researchers at the Institute for Advanced Study embarked on a high-tech project. At the behest of John von Neumann and Herman Goldstine, the physicist Hedvig Selberg pr… [+8490 chars]
Swirling like some cosmic watercolor painting, behold this breathtaking new image of the Orion Nebula recently captured by a venerable space telescope. This dreamy Hubble Space Telescope photo is a … [+2558 chars]
Longer life: the new analysis technique could help extend the lives of some nuclear power plants. (Courtesy: iStock/RelaxFoto.de) Material defects caused by radiation damage can be characterized by … [+3230 chars]
HRTEM images of N-CQDs (representative N-0.25 sample) show that the as-synthesized N-CQDs are spherical (Fig. 1a,c) with particle size ranging from 1.78 to 6.50 nm. The Gaussian distribution (Fig. 1b… [+15520 chars]