NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a ...

Dive into the world of gravity and space with this C++ simulation of our solar system using OpenGL. In this video, explore ...

A Harvard astronomer is suggesting that an interstellar object nearing Earth could be an engineered object — rather than a ...

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to ...

Most planet-forming disks have warps that can lead to planets on inclined orbits, which could explain where the tilt of Earth's orbit came from.

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from your backyard.

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. Video above: ...

An interstellar tourist is taking a quick trip through our solar system, becoming one of just three known objects to ever do so, according to NASA. A comet from a solar system outside our own was ...

A mystery object tearing towards Earth at break-neck speed has raised fears that aliens are on their way here.

An interstellar tourist is taking a quick trip through our solar system, becoming one of just three known objects to ever do so, according to NASA. A comet from a solar system outside our own was ...

The deep-space optical communication link could revolutionize how scientists communicate with spacecraft as they explore the solar system.

Something unusual is moving through our solar system —a fast, faint object now confirmed to have originated beyond it.