Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

NASA and Breakthrough Listen issue a final verdict on the interstellar comet 3I/ATLAS. Is it an alien spaceship? Read the ...

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal alloys. Could it be a 'Trojan horse'?

The Space Age framed nuclear propulsion as a quiet rethinking of movement, distance, and endurance beyond Earth.

The eyes of every astronomer widened this year when an interstellar traveler was discovered in our solar system. Despite some suggestions that it could be an alien spacecraft, observations from some ...

A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And at long last, NASA has unveiled an unprecedented look at the object, ...

Discover how the moon's gravity altered Chandrayaan-3's propulsion module orbit, creating a new trajectory in space exploration.

The interstellar object known as 3I/ATLAS is stirring up a whirlwind of speculation as it nears Earth, with theories ranging from it being a natural comet to an alien spaceship. This debate has been ...

Avi Loeb, a physicist sounding the alarm about a bizarre visitor from deep space, warns it may have alien origins and trigger a globally significant "black swan event". The Manhattan-sized comet has ...