Water exists across Mars in underground ice, soil moisture, and atmospheric vapour, yet most of it remains frustratingly beyond practical reach for future explorers. A new comparative study from the

Stars change in brightness for all kinds of reasons, but all of them are interesting to astronomers at some level. So imagine their excitement when a star known as J0705+0612

Thousands of pieces of abandoned spacecraft orbit Earth, and when gravity finally pulls them down, authorities rarely know exactly where they’ll land. Now researchers at Johns Hopkins University have demonstrated