Elon Musk addressed Harvard researcher Avi Loeb’s theory on interstellar comet 3I/ATLAS, confirming its nickel-rich ...

As 3I/Atlas neared its closest point to the sun in its orbit, the internet was abuzz with curiosity about the comet.

Avi Loeb suggested that if 3I/ATLAS is a spacecraft, it may use its proximity to the Sun's powerful gravitational pull while ...

There may be another world lurking between the orbital lines of our solar system. Astronomers in Japan have published their theory of an “Earth-like planet,” dubbed Planet Nine, that’s hiding in ...

Was it an alien probe sent to observe us? A piece of advanced technology using our Sun for a gravitational boost? For weeks, speculation has swirled around 3I/ATLAS, the third known interstellar ...

Avi Loeb, Harvard astrophysicist and longtime proponent of the possibility that certain celestial objects could be artificial, doubled down on his theory about 3I/ATLAS during a recent episode of The ...

Interstellar comet 3I/Atlas is nearing the sun, sparking debate due to Harvard professor Avi Loeb's theory that it could be an alien spacecraft. While Loeb suggests its trajectory and timing near the ...

New strategies may soon allow scientists to test dark energy theories within our own solar system, linking cosmic-scale physics to local observation. Science advances through a cycle of proposing ...

The outer solar system is a vast and mysterious place that could be harboring hidden objects we know almost nothing about — from the elusive Planet Nine and baby black holes to interstellar ...