Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...

For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers now confirm that this small body, named 2025 PN7, is traveling in a special ...

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

For millions of years, a tiny icy fragment wandered through space—like a sealed bottle drifting across a cosmic ocean. This ...

Astronomers and students working together through a unique educational initiative have obtained a striking new image of the growing tail of interstellar Comet 3I/ATLAS. The observations reveal a ...

An artist's rendition of CHIME and its Outriggers across North America localizing the radio burst. Daniëlle Futselaar / MMT Observatory In March, astronomers detected a quick, powerful burst of radio ...

Astronomers have detected a mysterious dark object in the distant universe. It could be dark matter, or it could be something ...

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 ...