Quasi-periodic oscillation detected in blazar PKS 0405-385
By analyzing the historical light curve of blazar PKS 0405-385 from NASA's Fermi spacecraft, Chinese astronomers have detected quasi-periodic oscillation from this source. The discovery, presented in a paper published May 5 on arXiv.org, could shed m.....»»
Complex organic molecules detected in the starless core Lynds 1521E
Using the ARO 12-m telescope, astronomers have investigated a young starless core known as Lynds 1521E (or L1521E). The study resulted in the detection of complex organic molecules in this object. The finding is detailed in a paper April 15 on the ar.....»»
Seismicity on Mars full of surprises, in first continuous year of data
The SEIS seismometer package from the Mars InSight lander has collected its first continuous Martian year of data, revealing some surprises among the more than 500 marsquakes detected so far......»»
Scientists make further step towards understanding dark energy
The extended Baryon Oscillation Spectroscopic Survey (eBOSS) collaboration has released its latest scientific results. These results include two studies on dark energy led by Prof. Zhao Gongbo and Prof. Wang Yuting, respectively, from National Astron.....»»
Study uncovers human-to-cat transmission of the virus that causes COVID-19
New research provides evidence that people have transmitted SARS-CoV-2, the virus that causes COVID-19, to cats during the pandemic in the UK. The study, which is published in Veterinary Record, detected the virus last year in cats that developed mil.....»»
Scientists find carbon-rich liquid water in ancient meteorite
Water is abundant in the solar system. Even beyond Earth, scientists have detected ice on the moon, in Saturn's rings and in comets, liquid water on Mars and under the surface of Saturn's moon Enceladus, and traces of water vapor in the scorching atm.....»»
Unusual binary system detected with LAMOST
Using the Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST), astronomers have discovered an unusual binary system. The newly found binary, designated LAMOST J0140355+392651 (or J0140 for short), consists of a bloated, low-mass proto-.....»»
Holographic metasurface gas sensors for instantaneous visual alarms
Biological and chemical substances can be rapidly detected in real-time for public health and environmental monitoring purposes. In a new report now on Science Advances, Inki Kim and a research team in mechanical engineering, materials science and el.....»»
A new super-Earth detected orbiting a red dwarf star
In recent years there has been an exhaustive study of red dwarf stars to find exoplanets in orbit around them. These stars have effective surface temperatures between 2400 and 3700 K (over 2000 degrees cooler than the Sun), and masses between 0.08 an.....»»
Fast radio bursts shown to include lower frequency radio waves than previously detected
Since fast radio bursts (FRBs) were first discovered over a decade ago, scientists have puzzled over what could be generating these intense flashes of radio waves from outside of our galaxy. In a gradual process of elimination, the field of possible.....»»
Scientists more confident projecting ENSO changes under global warming
The El Niño-Southern Oscillation (ENSO) is an irregular periodic variation in winds and sea surface temperatures (SSTs) over the tropical eastern Pacific Ocean. It may lead to extreme weather events across the globe due to its ability to change glob.....»»
The American public is responsible for identifying over a quarter of new invasive species
New research by a team at Resources for the Future (RFF) has found that at least 27% of new pests in the United States were initially detected by members of the general public. The study, which was published today in the journal Conservation Science.....»»
Study warns of "oxygen false positives" in search for signs of life on other planets
In the search for life on other planets, the presence of oxygen in a planet's atmosphere is one potential sign of biological activity that might be detected by future telescopes. A new study, however, describes several scenarios in which a lifeless r.....»»
The relationship between ENSO and Indian summer monsoon rainfall is re-strengthening
In the 1930s, English climatologist Sir Gilbert Walker successfully predicted Indian summer monsoon rainfall (ISMR) based on the relationship between Southern Oscillation and ISMR connected by what was later called Walker circulation, which is regard.....»»
Indian astronomers detect over 200 variable stars
Using the ARIES telescope, astronomers from India have inspected a young open cluster known as NGC 281, searching for new variable stars. As a result of this investigation, they detected 228 new variables. The finding is detailed in a paper published.....»»
First flight of Mars helicopter Ingenuity delayed until next week
We'll have to wait a little longer to see data on the Mars helicopter Ingenuity, due to an issue detected during a test of the rotors......»»
Distinctive MJO activity during 2015/2016 super El Nino
El Niño-Southern Oscillation (ENSO) is one of the most prominent ocean-atmosphere interactions that varies year-to-year. This process exerts significant impacts on global weather and climate. El Niño is the warm phase of ENSO, which can be strong,.....»»
Gamma-ray emission detected from the supernova remnant G272.2-3.2
Using NASA's Fermi Gamma-ray Space Telescope, Chinese astronomers have detected significant GeV gamma-ray emission from a supernova remnant (SNR) known as G272.2-3.2. The finding is detailed in a paper published March 29 on the arXiv pre-print reposi.....»»
New web app ranks spillover risk for newly detected viruses
SARS-CoV-2 showed the world with devastating clarity the threat undetected viruses can pose to global public health. SpillOver, a new web application developed by scientists at the University of California, Davis, and contributed to by experts from a.....»»
Oxygen-promoted synthesis of armchair graphene nanoribbons on Cu(111)
On-surface synthesis has received great attention as a method to create atomically-precise one-dimensional (1D) and two-dimensional (2D) polymers with intriguing properties. In particular, graphene nanoribbons (GNRs), a category of quasi-1D nanomater.....»»
Marsquakes: NASA’s InSight lander detects two sizable tremors
NASA’s InSight Mars lander recently detected a couple of sizable "marsquakes" caused not by tectonic plates but by volcanic activity......»»