For the past 60 years, Earth has had a secret companion in space—a quasi-moon that has been sharing our planet’s orbit around ...

Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in Research Notes of the AAS, a non-peer reviewed publication from the American ...

A Falcon 9 rocket lifted off on Monday night, sending four amateur astronauts on an unprecedented journey around Earth’s poles. The mission is traveling where no crew has gone before, and SpaceX just ...

Astronomers have found that Earth has acquired a new cosmic partner, a tiny asteroid named 2025 PN7, which will orbit with our planet for approximately 50 years. Though described by some as a ...

The object is called 2025 PN7, and it was spotted on Aug. 2, 2025, by the Pan-STARRS telescope in Hawaii. Even though it was just discovered, earlier data shows it's been in this unusual orbit for ...

A SpaceX spacecraft carrying four international astronauts is on a pioneering journey circling Earth over its poles after launching Monday night from Florida. Financed and led by cryptocurrency ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. SpaceX is wrapping ...

A Soviet spacecraft that's been stuck in low Earth orbit ever since it launched in 1972 has finally crashed back down to our planet. Kosmos 482 rocketed into space more than 50 years ago on a quest to ...