A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...

All eyes are on Comet 3I/Atlas as astronomers worldwide chase the exotic ice ball through our solar system ...

The object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...