Astronomers have employed the Australia Telescope Compact Array (ATCA) to investigate a peculiar pulsar wind nebula known as ...

Europa is not supposed to look the way it does. Jupiter's icy moon is scarred by a chaotic patchwork of fractured terrain, crisscrossed ridges, and disrupted surface regions that suggest something ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

As the number of missile-equipped vessels shrinks, the Navy risks sailing into a dangerous trough, just as operational ...