Einstein rings of light are produced when two galaxies are almost perfectly aligned, with one behind the other from a fixed perspective. They are one of the best examples we have of gravitational ...

Gravity distorted the light from this more distant galaxy, thus the name honoring Albert Einstein. The process is known as gravitational lensing. This photo provided by the European Space Agency ...

Gravity distorted the light from this more distant galaxy, thus the name honoring Albert Einstein. The process is known as gravitational lensing. “All strong lenses are special, because they ...

Albert Einstein’s general theory of relativity predicts that light will bend around objects in space, so that they focus the light like a giant lens. This gravitational lensing effect is bigger ...

What do you notice about the average earnings of college athletes? What do you wonder? By The Learning Network These questions invite you to reflect on the role that love — in all its forms ...

Some photographs are so powerful that you no longer need to read the caption to learn their backstory. The image in itself is captivating enough to inspire you to create your own narratives. This is ...

有这样一部英文课本：它是余光中先生亲编，凝聚着博雅教育的理想，不仅收入外国名作，还包含三篇中国文史哲经典：《论语》《庄子》《史记》；它可能是“余光中最被忽略的一本编著”，多年后读者却纷纷留言力荐——兼顾中国古代经典的英译被余光中先生称作“革命性的”， ...

While lectures on the legacies of Martin Luther King Jr., Rosa Parks, and Harriet Tubman are all important, some educators (and their students) are eager to learn more about underrepresented ...

Waiting for them under the tree in our sunny Pasadena living room might be left-handed oven mitts or can openers, kitchen ...

The mother-of-two, 46, was spotted with Prince Albert at the funeral of former French minister Didier Guillaume, without her wedding ring last month. Charlene donned a black mid-length dress ...

️ S.D.’s new nonstop flight ⚾ Padres spring training ⚠️ Canned tuna recall 🚙 Waymo testing in San Diego ☀️ Hike of the Week ...

A tribute to Simon Townsend, creator of Wonder World, celebrating his contributions to Australian children’s television and his lasting legacy. In Loving Memory of My Murray. Sadly, shortly ...