Using NASA's Chandra spacecraft and ESA's XMM-Newton satellite, astronomers have investigated the galaxy NGC 7793, searching for supernova remnants (SNRs). As a result, they discovered four new X-ray SNRs in this galaxy. ...
Scientists at the Broad Institute of MIT and Harvard have identified 4,208 previously unannotated open reading frames (ORFs) across 679 human-associated viral genomes using a high-throughput method called massively parallel ...
Very massive stars (VMSs), which typically have masses about 100 times that of our own sun, are critical components in our understanding of the formation of important astronomical structures like black holes and supernovae. ...
Astronomy
Jun 17, 2025
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An extraordinary discovery was made at the Valencina Copper Age mega-site in southwest Spain, which has captured the attention of a team of Spanish researchers—a rare sperm whale tooth uncovered in 2018 during excavations ...
According to the first-ever survey fielded by RAND's new American Youth Panel (AYP), 49% of students in middle and high school grades reported losing interest in math about half or more of the time, and 75% of youths reported ...
Mathematics
Jun 17, 2025
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42
Plants and trees extend their roots into the earth in order to draw nutrients and water from the soil—however, these roots are thought to decline as they move deeper underground. But a new study by a multi-institutional team ...
Plants & Animals
Jun 17, 2025
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140
Scientists have used clues locked into tree rings to reveal major changes in the Amazon's rainfall cycle over the last 40 years: wet seasons are getting wetter and dry seasons drier.
Earth Sciences
Jun 17, 2025
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47
Climate change has tripled the frequency of atmospheric wave events linked to extreme summer weather in the last 75 years and that may explain why long-range computer forecasts keep underestimating the surge in killer heat ...
Environment
Jun 17, 2025
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Native plant species cannot adapt quickly enough, nor move fast enough to keep ahead of climate change. If native plants are going to survive rising temperatures, they need human intervention—everyone from home gardeners ...
Plants & Animals
Jun 17, 2025
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40
Imagine you're sitting at a pond, listening to the din of croaking frogs. You want to know how many frogs are in the pond, but you can't pick out the individual croaks—only the combined sound rising and falling in volume ...
Optics & Photonics
Jun 17, 2025
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