Above: Satellite view of the Great Lakes on a recent clear day (December 22, 2019), showing less than 2% overall ice cover, about normal for this point in the winter, mainly in Green Bay and ...

Above: A Von Karman vortex street downwind of the Canary Island chain in the eastern Atlantic Ocean off the coast of Africa on Feb. 27, 2015. Image credit: NASA Worldview. Editor's note ...

9:00 a.m.–1:00 p.m. Penn State Altoona’s 2025 Undergraduate Research and Creative Activities Fair marks twenty-three years of student presentations of research, creative activities, and internships.

If you have what feels like razor bumps or acne on the back of your neck or scalp, you may have acne keloidalis nuchae. Find out what can help. A dermatologist is a medical doctor who specializes in ...