YS5, a building-sized space rock, will safely pass Earth on July 17, prompting NASA and ISRO to emphasize the importance of planetary defense. While not hazardous, this event underscores the need for ...

Astronomers at the University of Maryland found that a surprising burst of rocky debris released during the DART mission ...

New simulations have narrowed down where the newly discovered interstellar comet 3I/ATLAS likely came from, revealing it could be more than 3 billion years older than the solar system.

Kareta says that come October, when the comet gets closer to Earth, "under dark skies ... with a big telescope and some ...

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

The NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, first reported observations to the Minor Planet Center of comet 3I/ATLAS on July 1, 2025.

Astronomers in Hawaiʻi detected the solar system's third interstellar object, C/2025 N1 or 3I/ATLAS, which poses no threat to ...

Predicting the precise path of a new asteroid or comet is a complex affair; the more observations you have, the better you ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...