A planetary scientist who has participated in analog missions describes their value for planning space exploration – and ...

China has a clear vision for space and is executing it. Can the U.S. find a viable playbook to remain relevant in space ...

Mars is closer than ever, but the human body isn’t ready. Inside the biological war against radiation, microgravity, and ...

Ryugu’s samples reveal that water activity on asteroids lasted far longer than scientists thought, possibly reshaping ...

NASA measures radiation over Greenland to improve aviation safety and validate models that predict cosmic doses polar flight ...

NASA launched an exoplanet-hunting experiment Oct. 1 despite the government shutdown. After the mission's end on Oct. 2, news ...

Unprecedented simulations show the formation of space tornadoes capable of causing strong geomagnetic storms around Earth, ...

A new scientific theory on solar tide effects has dramatically improved the accuracy of calculating how much faster clocks ...

Comet SWAN will make its closest approach to Earth — coming within 24 million miles of us — on October 20, while comet Lemmon ...

After decades of exploring, NASA's Voyager 1 hit the edge of the solar system and passed through a great "wall of fire," ...