If our solar system seems stable, it's because our short lifespans make it seem that way. Earth revolves, night follows day, the moon moves through light and shadow, and the sun hangs in the sky. But ...

Though 2025 won't mark the return of astronauts into deep space as NASA had hoped, launchpads still will be scorching-hot from a procession of robotic spacecraft attempting to land on the moon. How ...

If our Solar System seems stable, it’s because our short lifespans make it seem that way. Earth revolves, night follows day, ...

The orange dwarf Gliese 710 is expected to come within 0.1663 light-years or 10,520 astronomical units in about 1.29 million ...

Watch Comet 96P/Macholz brighten as it flies by the sun in these time-lapses captured by the ESA/NASA Solar and Heliospheric ...

Get ready for a stellar year ahead! From exciting rocket launches and deep-space missions to breathtaking meteor showers and lunar events, 2025 promises a packed calendar of celestial spectacles.

A new image released by China's space agency offers the first glimpse at the Tianwen 2 spacecraft, which is en route to ...

The U.S. isn’t completely innocent either. In June 2017, classified U.S. military satellite USA 276 snuck up on the International Space Station at a close distance of about 4 miles (6.4 kilometers).

A new study suggests that unidentified "co-orbital asteroids" around Venus may have the capacity to impact our planet in the future, with potentially devastating consequences. However, there is no ...

A harmless flyby of the two galaxies could leave this stellar disk largely undisturbed, thus preserving our galaxy's name. More work is needed before the Milky Way’s fate can be predicted with ...

A harmless flyby of the two galaxies could leave this stellar disk largely undisturbed, thus preserving our galaxy’s name. More work is needed before the Milky Way’s fate can be predicted with ...