So far, two interstellar celestial bodies have been discovered hurtling through the solar system. Evidence of the next one is ...

What we already know, however, is that it has a much more extreme orbit than the two previous examples, 'Oumuamua and Borisov ...

But researchers have just demonstrated that once you are far away from the planets of the Solar System, there might be a ...

A11pI3Z: Astronomers believe fast-moving object A11pI3Z could be only the third known interstellar visitor, after 'Oumuamua ...

NASA's New Horizons spacecraft has traveled so far from Earth that the relative position of the stars is beginning to shift — ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

So it's no surprise that this trailer feels like "The Martian." You don't need to make a huge leap to compare Gosling's Grace ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Powered by the largest digital camera ever built, Rubin Observatory has taken its first images—millions of stars and galaxies ...

Southwest Research Institute has delivered the novel Compact Dual Ion Composition Experiment (CoDICE) instrument for final ...

NSF-DOE Rubin Observatory will capture more information about our universe than all optical telescopes throughout history ...