Cosmic gymnastics: How our Milky Way once underwent a dramatic flip

A newly identified branch of the marsupial family tree is adding a surprising twist to the history of Australia’s most distinctive mammals. The finding suggests that their evolution was more complicated, and more mysterious, than scientists previously understood. Marsupials first reached Australia more than 55 million years ago. Since then, they have spread into an…

During a match, fans of Palestinian club Shabab Al-Khaleel raised a banner thanking Egypt coach Hossam Hassan for his support for the Palestinian cause. Hassan raised the Palestinian flag after Egypt’s national team defeated Australia in the World Cup round of 16. Published On 18 Jul 202618 Jul 2026 Click here to share on social…

The lunar phase on July 20, 2026, is exactly the same as on July 20, 1969. Credit: NASA Scientific Visualization Studio Friday, July 17The Moon passes 2° south of Venus at 1 P.M. EDT. They are some 6° apart in the evening sky, sinking together in the west nearly side by side. You have plenty…

The Moon has been exposed to the solar wind for billions of years. However, new evidence shows that its two hemispheres have not experienced that bombardment in the same way. Particles striking the near side and far side arrive at different speeds and carry different amounts of energy. An analysis of material collected by China’s…

So, I have a work related interest in developing a compact high gear reduction drive that is free of wear. As a result, and leveraging over a decade of permanent magnet machine technology development that sort of ending just shy of 25 years ago, I did some research on magnetic cycloidal drives. To me, they…

Back to Article List Famous double stars Mizar and Alcor in the handle of the Big Dipper are a visual challenge with the naked eye — can you split them? Look closely at the “kink” in the Big Dipper’s handle — can you make out two stars there, close together? These are Alcor and Mizar….