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

The second moon does not affect us on Earth, as 2025 PN7 has never come any closer than 4 million kilometers away from the ...

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

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

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

For only the third time in history, an object from beyond our own solar system is making an unexpected, high-speed pass ...

NASA and ESA say 3I/ATLAS poses no threat to Earth. We explain its nickel-heavy readings, IAWN’s training drill, and why the Harvard alien claim lacks proof.

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 ...

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.

The flight will look for undiscovered mineral areas and hopefully advance geological science.

In a breakthrough for exoplanet science, astronomers have discovered three Earth-sized planets orbiting both stars in a ...