We can't see the wind, but we can learn about it by observing things that are being blown about. And by studying changes in a comet's bright tail of gas and ions, scientists are on the trail to solving two big mysteries about ...
Rosetta, named for the inscribed stone that allowed 19th-century historians to unlock the secrets of ancient Egypt, is unlocking the secrets of a far more ancient comet. Rosetta team member Paul Weissman discusses the mission.
India's Astrosat spacecraft, the country's first space observatory that was launched into orbit on Sept. 28, is in good shape and has already started performing science operations, according to a scientist involved in the ...
In space, there is no "up" or "down." That can mess with the human brain and affect the way people move and think in space. An investigation on the International Space Station seeks to understand how the brain changes in ...
NASA astronaut Scott Kelly (@StationCDRKelly) captured this photograph of the green lights of the aurora from the International Space Station on Oct. 7, 2015.
An infrared NASA satellite image revealed that the remnants of Ex-Typhoon Choi-wan continued to generate rainy and windy weather over southeastern Russia on October 8.
How astronauts adapt to the stresses of living in space is helping researchers to pinpoint the causes of common disorders on Earth.
NASA has outlined the many challenges that remain before humans can set foot on Mars, calling the problems "solvable" but setting no firm date for an astronaut mission to the Red Planet.
Hamburgers could soon be debuting on Russian menus in space.
NASA says preliminary indications show that a modified motor performed as planned during a test flight.