A few days ago, an inscrutable interstellar interloper made its closest approach to Mars, where a fleet of international spacecraft seek to unravel the red planet’s ancient mysteries. Several of the ...

This summer, NASA confirmed that a mysterious object racing through the solar system came from interstellar space, only the third of its kind to be discovered. News of the discovery was announced on ...

An intriguing interstellar object known as 3I/ATLAS is, as of now, on the opposite side of the sun from Earth – making it impossible to observe from the ground. As 3I/ATLAS warps and grows the closer ...

A mysterious interstellar visitor traipsing through our solar system known as 3I/ATLAS has captivated the public for months, and it's easy to see why. But as 3I/ATLAS' renown (and infamy) only ...

The three known debris fields in our solar system, the asteroid belt, the Kuiper belt and the Oort cloud are populated with an infinitude of bodies ranging in size from a few feet to several miles ...

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 ...

"You don't have to claim that they're aliens to make these exciting." Interesting that the maximum speed if this interstellar comet (68km/sec) is approximately the ...