A recent SpaceNews opinion article argued that it is time to “take astronomy off Earth.” The suggestion is straightforward: If satellite constellations and commercial space activity threaten ...

In 250 million years, Earth’s continents may merge into a supercontinent so extreme that most mammals would struggle to survive.

Earth’s magnetic field, the invisible barrier that deflects solar radiation and makes surface life possible, is not permanent in its current orientation. Geologic records show that magnetic north and ...

Scientists at Oregon State University warn that Earth is edging toward a dangerous “hothouse” state, and that the window to avoid it is closing fast. Their alarm, echoed by research groups in recent ...

Higher emissions could trigger collapsing ice shelves and rising sea levels in Antarctica, while lower emissions limit ...

NASA is planning a mission to demonstrate the ability to repair and upgrade satellites in Earth orbit. The mission, called OSAM-1 (On-orbit Servicing, Assembly, and Manufacturing-1), will send a ...