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 ...

Pluto's largest moon, Charon, likely formed through a capture event in the early, crowded Kuiper Belt. Three-body encounters ...

“3I/ATLAS should remain visible to ground-based telescopes through September 2025, after which it will pass too close to the ...

First up, just pointing a rocket at the Sun and blasting as hard as you can would result in a wild miss. The main problem you ...

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

The new study involved taking a fresh look at the "Altamura Man," which is an exceptionally well-preserved Neanderthal ...

A mysterious signal from deep space just changed everything we thought we knew about an interstellar comet racing through our ...

NASA is poised to reveal the true identity of the interstellar object 3I/ATLAS tomorrow - after more than a month of silence.

A new study suggests the Sun was born in a tightly packed cluster of sibling stars, but their early years were marked by ...

Interstellar comet 3I/ATLAS, only the third known object from outside our solar system, is now moving away from the Sun, and ...

Our Sun was born from a cosmic cloud of gas and dust that also created other similar stars. But they all were hostile and ...

3I/ATLAS aka C/2025 K1 ATLAS, the third interstellar visitor in the solar system to be recorded since 1I/Oumuamua (2017) and ...