Gagarin's success made him an international hero and a symbol of the Soviet Union's achievements in space exploration.

There was an explosion on the spacecraft 200,000 miles from Earth, but miraculously everyone on board made it back home ...

Despite President Trump seeking to cut NASA’s science mission budget nearly in half, the agency is set to send up its latest ...

From massive glaciers to sun-soaked beaches, national parks offer some of America’s wildest and most iconic landscapes.

President Donald Trump honored Charlie Kirk's life in Arizona. Now, he prepares for a "historic" autism announcement.

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...

The last time human feet touched the moon was in 1972 and when those astronauts returned they brought back valuable samples ...

Building blocks of life have been found on this moon of Saturn. They may come from chemical reactions beyond Enceladus’ possible life-supporting ocean.

“Interstellar objects may be able to jump start planet formation, in particular around higher-mass stars,” Pfalzner said in a ...