The number of satellites orbiting Earth is rising fast, thanks to private companies such as SpaceX. But just how big will ...

What if Earth suddenly expanded to be as massive and large as Jupiter, the gas giant? This hypothetical scenario would lead to extraordinary changes in our planet’s environment, structure, and life ...

Asteroid 2024 PT5 is about the size of a bus, standing at around 33 feet long, and researchers predict it will make a ...

Every year, the moon moves just a little farther away from our planet. Scientists have calculated the rate at which our ...

More objects are being launched into space than ever, and most are headed for low Earth orbit. This region of space has become increasingly crowded with launches from SpaceX and others that have ...

China’s Tianwen-2 launched on a sample return mission to asteroid Kamo’oalewa, before heading out for a visit with the Comet ...

In the cold, dark outskirts of planetary systems far beyond the reach of the known planets, mysterious gas giants and ...

While Earth's slowdown is not noticeable on human timescales, it's enough to work significant changes over eons. One of those ...

The problem is that atmospheric density is the only thing that naturally pulls space junk out of orbit. Earth’s atmosphere doesn’t suddenly give way to the vacuum of space, but gets ...

Since the engines failed to reach a necessary velocity to enter Venus' orbit, Cosmos 482 was abandoned in low-Earth orbit and it has moved around the planet ever since. The spacecraft will likely ...

Asteroid 2024 PT5 is about the size of a bus, standing at around 33 feet long, and researchers predict it will make a horseshoe-like orbit around Earth instead of a full rotation around the planet.