Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

Life may not get blasted off any of the known "super-Earth" worlds as readily as it can from our planet, scientists find. The discovery suggests that any intelligent aliens that develop on such ...

Dr Sarah Alam Malik suggests Saturn's moons Titan and Enceladus, and Jupiter's moon Europa, may host conditions suitable for life, challenging traditional views of the 'Goldilocks zone'.

The mysterious interstellar object traveling through our solar system has been spotted acting like no other comet ever seen before, revealing its alien origins. Scientists from Michigan State ...

Here’s what you’ll learn when you read this story: Every time an interstellar object comes whizzing into our Solar System, it brings with it a certain intrigue. Where is it from? How did it form? Why ...

The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets. When you purchase through links on our site, we may earn an affiliate ...

Three researchers recently published a paper speculating about whether an object (likely a comet) could be "hostile" alien technology Scientists estimate the object to be more than 12-miles-wide, ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Pluto’s been making news again. Jared Isaacman, the head of NASA, recently suggested that ...