An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

Find Interstellar Visitor Latest News, Videos & Pictures on Interstellar Visitor and see latest updates, news, information from NDTV.COM. Explore more on Interstellar Visitor.

A new interstellar object has been spotted careening into the solar system at an extremely unusual, hyperbolic trajectory. If ...

Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...

Mercury is the month's highlight, reaching greatest elongation July 4. Also on show in the Southern Hemisphere: Mars, Saturn, ...

Can we really reach another solar system? This video explores how humanity might colonize Proxima Centauri B, our closest potentially habitable exoplanet, located in the Alpha Centauri system. We ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...