Accurate estimation of the ionosphere is essential for reliable Global Navigation Satellite System (GNSS) positioning, timing, and space weather applications. A key challenge lies in converting slant ...

Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the ...

From astronauts looping around the moon to spacecraft reaching Mercury and asteroids near Earth, 2026 is shaping up to be a ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

Photos shared by NASA show what life looked like 250 miles above Earth in 2025, including images of hurricanes, the northern ...

It is with a heavy heart that I announce that NASA Earth Science Communications has directed The Earth Observer to conduct an ...

Satellites are giving cities a clearer view of methane emissions from landfills, turning hard-to-spot leaks into actionable ...

Losing GPS would mean losing a lot more than Google Maps. The technology is integrated into everything from lights that turn ...

Diego Mattei explores Jenny Erpenbeck’s life and work, tracing how history, memory, and divided Germany shape her powerful ...

Two brothers, both mechanical engineers, are climbing many of the world’s tall peaks to prove they have been measured ...

A new dataset from Lawrence Livermore National Laboratory maps one million cis-lunar orbits, highlighting orbital stability challenges, space domain awareness needs, and planning requirements for Moon ...

NASA has turned its attention to a ghostly shroud of hydrogen that stretches far beyond the familiar blue edge of our planet, ...