I/ATLAS puts the Planetary Defense Network on watch. NASA and ESA say no threat as IAWN drills tracking, while Harvard’s Avi Loeb raises an alien-origin idea.

NASA has activated a global planetary defense group to study a massive interstellar object exhibiting strange, possibly artificial characteristics ...

Scientists have confirmed the discovery of a new quasi-moon, 2025 PN7, a small asteroid that will shadow Earth’s orbit for ...

A NASA-backed planetary defense group has reportedly begun efforts to pinpoint comet 3I/ATLAS after it was observed emitting ...

Something called a "quasi-moon" was discovered in August, and now many are wondering if we should count our new neighbor as a ...

NASA has confirmed the existence of a new second moon which will orbit Earth for quite some time. If you’ve gotten used to ...

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 ...

Contrary to online rumors, Earth still only has one true moon, but astronomers have discovered a so-called 'quasi-moon.' Here ...

A small companion has been following Earth's exact path around the sun, with astronomers calling the object a quasi-moon ...

A high-resolution image of the NASA-ISRO NISAR satellite, showcasing its massive deployed radar antenna, has gone viral. This ...

Many scientists call Jupiter the architect of the solar system because its immense gravity influenced the orbits of other ...

Earth has reportedly gained a second moon, a small near-Earth object designated 2025 PN7, which is now classified as a ...