Time is running short for scientists hoping to collect data from 3I/Atlas, a massive interstellar object hurtling away from ...

I/ATLAS has unexpectedly become bluer than the Sun, hinting that it could be emitting light, not just reflecting it — a sign ...

Named after an ancient Egyptian mythological demon, Apophis, a near-Earth asteroid with an estimated diameter of almost three football fields (270m), will make its close approach to Earth this week.

NASA and the European Space Agency are tracking the 3I/ATLAS interstellar object as it travels past Mars on its way toward the Sun and through the solar system.

Comet 3I/ATLAS nears the sun Oct. 29. Experts say it's natural, despite viral alien theories. Here's how to see it from ...

Astronomers are monitoring an object headed our way that may have wandered over from another star system.Scientists have discovered what might be only the third known interstellar object to pass ...

Scientists are studying how sensors designed to detect nuclear tests could help track space junk and meteorites crashing down in the world's most remote regions. Across the world, dozens of ...