Time dilation is one of the most intriguing concepts in Einstein's theory of relativity, fundamentally altering our understanding of time and space. It refers to the phenomenon where time appears to pass at different rates for observers in different frames... Continue Reading →
https://www.youtube.com/watch?v=B1R3dTdcpSU&t=60s Have you ever seen a rocket launch -- from space? A close inspection of the featured time-lapse video will reveal a rocket rising to Earth orbit as seen from the International Space Station (ISS). The Russian Soyuz-FG rocket was launched in November 2018 from the Baikonur Cosmodrome in Kazakhstan,... Continue Reading →
She loved the essence of caraway seeds, an aroma so potent, so unique, that it seemed to unlock the floodgates of her mind. Every time the earthy, slightly sweet fragrance wafted through the air, her thoughts would tumble back to... Continue Reading →
Earth's orbit around the Sun is not a circle, it's an ellipse. The point along its elliptical orbit where our fair planet is closest to the Sun is called perihelion. This year perihelion is today, January 4, at 13:28 UTC, with... Continue Reading →
University of Pittsburgh researchers uncovered a surprising link between Alzheimer’s disease and herpes simplex virus-1 (HSV-1), suggesting that viral infections may play a role in the disease. The study results were published Jan. 2, 2025, in Cell Reports. The study also revealed... Continue Reading →
Eclipses tend to come in pairs. Twice a year, during an eclipse season that lasts about 34 days, Sun, Moon, and Earth can nearly align. Then the full and new phases of the Moon, separated by just over 14 days, create a... Continue Reading →
Age-related macular degeneration (AMD) is the leading cause of vision loss in individuals over 65, characterized by abnormal changes in the macular, resulting in reduced vision and distorted objects. Dry AMD accounts for 90% of all AMD cases, with relatively... Continue Reading →
She lost her father when she was very young. It wasn’t just his presence that disappeared—it was the conversations they never got to have, the advice never given, the laughter never shared. In his absence, the weight of what could... Continue Reading →
Recorded during 2024, this year-spanning series of images reveals a pattern in the seasonal drift of the Sun's daily motion through planet Earth's sky. Known to some as an analemma, the figure-eight curve was captured in exposures taken only at 1pm local time... Continue Reading →