Watch the epic view of the moon and Earth captured by the Orion spacecraft ahead of its outbound powered flyby. Credit: NASA ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

Add Yahoo as a preferred source to see more of our stories on Google. 2025 marked 25 years of nonstop human presence on the International Space Station. Photos shared by NASA show what life looked ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of Earth and poses no danger. Scientists are studying the object ...

Astronauts who see Earth from space often experience the overview effect, a profound shift in perspective that reveals the planet’s fragility and shared humanity. Farmers are aging. Their kids don’t ...