At the center of the Milky Way is a supermassive black hole, 4.3 million times bigger than the sun, known as Sagittarius A*. Until recently, it was not clear how much of the matter at the heart of the galaxy was Sagittarius ...
Astronomy
Jan 13, 2022
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163
The Chamaeleon Infrared Nebula is an outflow of gas that resides in the larger Chamaeleon I dark cloud (one of the closest star-forming regions of the Milky Way), and adjacent to the Chamaeleon II and Chamaeleon III dark ...
Astronomy
Jan 11, 2022
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86
A primordial stellar stream discovered in the outer reaches of the Milky Way has a lower proportion of heavy elements than any known stellar system in our galaxy. Observations with the Gemini Observatory, a Program of NSF's ...
Astronomy
Jan 5, 2022
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2521
When forecasting how storms may change in the future, it helps to know something about their past. Judging from historical records dating back to the 1850s, hurricanes in the North Atlantic have become more frequent over ...
Environment
Jan 5, 2022
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8
A giant comet from the outskirts of our solar system has been discovered in six years of data from the Dark Energy Survey. Comet Bernardinelli-Bernstein is estimated to be about 1000 times more massive than a typical comet, ...
Space Exploration
Jun 28, 2021
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3720
Researchers have discovered the inner workings of the molecular motor that packages genetic material into double-stranded DNA viruses. The advance provides insight into a critical step in the reproduction cycle of viruses ...
Cell & Microbiology
Jun 16, 2021
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14
Scientists at Scripps Institution of Oceanography at the University of California San Diego and colleagues have created an estimate of the journey water makes around the world ocean basins. They used information from more ...
Earth Sciences
Jun 15, 2021
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322
Periods of extremely high heat are projected to double across the lower 48 states by 2100 if the world continues to emit high levels of greenhouse gases, according to a new study in Earth's Future, an American Geophysical ...
Environment
Jun 8, 2021
3
0
Examination of thousands of underwater photographs by San Fernando Valley high school students has led to the discovery that a species of Caribbean coral—deemed by marine biologists as a winner in the struggle against natural ...
Plants & Animals
Jun 8, 2021
2
1
This star-studded image shows the irregular dwarf galaxy Sextans B, which lies around 4.5 million light-years from Earth at the outermost edges of the Local Group. With a total mass of around 200 million times the mass of ...
Astronomy
Apr 29, 2021
0
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