Russian forces have used hypersonic missiles to destroy ground targets in their invasion of Ukraine—the first time such weapons have been used in combat—and a quantity of radioactive material has disappeared from a monitoring lab near the defunct Chernobyl Nuclear Power Plant. On March 19 Russian defence ministry spokesman Majorread more
Having completed alignment of its primary mirror array, the James Webb Space Telescope has captured sharp test images that exceeded the expectations of the spacecraft’s designers. Although the initial test image taken was of an extremely faint star that is otherwise unremarkable, that image also revealed the existence of dozens of distantread more
Astronomers have discovered the presence of what is the largest molecule yet detected in a protoplanetary cloud that surrounds a young star. While not expected to have been produced by biological means, this relatively complex organic compound could be a precursor to the formation of even larger molecules, including onesread more
In response to the invasion of Ukraine by Russian forces, countries that are part of the North Atlantic Treaty Organization (NATO) are sending troops and vehicles to neighboring countries in an effort to contain a possible Russian advance, in case President Vladimir Putin decides to extend his invasion plans past Ukraine’s borders. But despiteread more