Like Earth, Mars is surrounded by an ionosphere—the part of its upper atmosphere where radiation from the sun knocks electrons off of atoms and molecules, creating charged particles. The Martian ionosphere is complex and ...
Planetary Sciences
Jun 23, 2025
0
59
On a clear night, the moon you gaze upon looks the same as it looked for the first humans that walked Earth—the same black-and-white side of our nearest neighbor with large dark "seas" and white "highlands" has been facing ...
Planetary Sciences
Jun 23, 2025
0
30
The pristine samples from asteroid Ryugu returned by the Hayabusa2 mission on December 6, 2020, have been vital to improving the understanding of primitive asteroids and the formation of the solar system. The C-type asteroid ...
Planetary Sciences
Jun 23, 2025
0
189
Penn-led researchers have turned a deadly fungus into a potent cancer-fighting compound. After isolating a new class of molecules from Aspergillus flavus, a toxic crop fungus linked to deaths in the excavations of ancient ...
Biochemistry
Jun 23, 2025
0
321
As artificial intelligence reshapes workplaces worldwide, a new study provides early evidence suggesting AI exposure has not, thus far, caused widespread harm to workers' mental health or job satisfaction. In fact, the data ...
Social Sciences
Jun 23, 2025
0
65
Sasha and Jamie Cordle thought their small farm in rural Georgia would be a ladder out of working-class struggle, and a gift for their children and grandchildren.
Environment
Jun 23, 2025
0
124
Breathtaking stellar nurseries, a sprawling stretch of cosmos teeming with millions of galaxies, and thousands of newly discovered asteroids were revealed Monday in the first deep space images captured by the Vera C. Rubin ...
Astronomy
Jun 23, 2025
2
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