Up to 45% of all known flowering plant species across the globe could be under threat of extinction with the plant family Orchidaceae (orchids) among the most threatened, according to a new report.
Plants & Animals
Oct 10, 2023
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14
Diseases are among the major causes of tree mortality in both forests and urban areas. New diseases are continually being introduced, and pathogens are continually jumping to new hosts, threatening more and more tree species. ...
Plants & Animals
Oct 3, 2023
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14
It's easy to get swept up in the swirling starry arms of this intermediate spiral galaxy, NGC 4654, in the constellation Virgo. The galaxy has a bright center and is labeled "intermediate" because it has characteristics of ...
Astronomy
Oct 3, 2023
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43
Kathleen Maxwell has lived in Phoenix for more than 20 years, but this summer was the first time she felt fear, as daily high temperatures soared to 110 degrees or hotter and kept it up for a record-shattering 31 consecutive ...
Environment
Sep 25, 2023
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27
Climate change has negatively—and irreversibly, in some cases—affected ecosystems around the globe. Sadly, though, it is not the only phenomenon that's altering our natural world.
Ecology
Sep 24, 2023
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1
Fall is in the air—officially. The equinox arrives on Saturday, marking the start of the fall season for the Northern Hemisphere. But what does that actually mean? Here's what to know about how we split up the year using ...
Planetary Sciences
Sep 22, 2023
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11
If you have a rhododendron in your garden or pass one by on an afternoon walk perhaps you think of it as just a colorful and pretty shrub. You may have heard that they come from the Himalayas, and that they are invasive plants ...
Plants & Animals
Sep 19, 2023
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8
As the days get shorter and chillier in the northern hemisphere, those who choose to work out in the mornings might find it harder to get up and running. A study in PNAS identifies a protein that, when missing, makes exercising ...
Cell & Microbiology
Sep 18, 2023
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95
A pioneering study has shed new light on North African humid periods that have occurred over the past 800,000 years and explains why the Sahara Desert was periodically green.
Earth Sciences
Sep 13, 2023
1
61
In a new study led by the laboratories of Prof. Prashant Sharma of the University of Wisconsin-Madison, and Dr. Efrat Gavish-Regev of the Hebrew University of Jerusalem, a team of researchers has uncovered the mysteries surrounding ...
Plants & Animals
Sep 11, 2023
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