14/02/2023

From glacier ice, a wealth of scientific data

Perched next to a river near a glacier's edge in Greenland, Penn biogeochemist Jon Hawkings and Jack Murphy, senior research coordinator in Hawkings' lab, scooped up samples of frigid meltwater, careful to seal the bottles ...

Strong solar flare erupts from sun

The sun emitted a strong solar flare, peaking at 10:48 a.m. EDT on Feb. 11, 2023. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.

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