Gamma-ray bursts (GRBs) are brief and extremely powerful cosmic explosions, suddenly appearing in the sky, about once per day. They are thought to result from the collapse of massive stars or the merging of neutron stars ...
Astronomy
Nov 20, 2019
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18
Last week, scientists from the National Institute of Standards and Technology (NIST), the National Aeronautics and Space Administration (NASA), the United States Geological Survey (USGS) and the University of Guelph sent ...
Space Exploration
Nov 19, 2019
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19
Ultima Thule, the farthest cosmic body ever visited by a spacecraft, has been renamed Arrokoth, or "sky" in the Native American Powhatan language, following a backlash over the previous name's Nazi connotations.
Space Exploration
Nov 12, 2019
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With outbreaks of airborne diseases such as measles occurring with growing frequency, modeling how the diffusion process works in dynamic contact networks is an increasingly important research area for epidemiology. A team ...
General Physics
Oct 15, 2019
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33
Using ESA's XMM-Newton space telescope, astronomers have found that the planetary nebula NGC 5189 harbors a carbon-enriched X-ray-emitting hot bubble. The discovery, presented in a paper published September 30 on arXiv.org, ...
More than 500 people have travelled into space to date and, while we know a little about how life without gravity affects our physical health, we know almost nothing about how it affects our minds.
Space Exploration
Sep 16, 2019
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12
Saturn may be doing a little electromagnetic shimmy and twist which has been throwing off attempts by scientists to determine how long it takes for the planet to rotate on its axis, according to a new study.
Space Exploration
Sep 6, 2019
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A joint European-Chinese spacecraft, SMILE is currently scheduled for launch in 2023. It will be placed in a highly inclined, elliptical orbit around Earth, which will take it as far as 120 000 km from our planet.
Space Exploration
Aug 28, 2019
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24
Einstein's theory of general relativity predicts the existence of dark energy—a mysterious form of energy that permeates space and accelerates the expansion of the Universe. But what if Einstein was wrong and there was ...
General Physics
Aug 2, 2019
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389
Increasing tree canopy and green cover across Greater Sydney and increasing the proportion of homes in urban areas within 10 minutes' walk of quality green, open and public space are among the New South Wales premier's new ...
Environment
Jul 29, 2019
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