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

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

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

New research says that Earth could be ejected from our solar system if a passing star was to come close enough.

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

The exoplanet, a planet beyond our solar system, has been dubbed TWA 7b after NASA's James Webb Space Telescope captured evidence of it.

NASA has revealed that they have sent a man-made machine further than they ever have before, and they said they made an odd ...

Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...

They were also not the first missions to carry a message intended for extraterrestrial beings should they reach interstellar ...

The outer reaches of our Solar System continue to reveal a complex dynamical environment where the interplay of gravitational forces shapes the orbits of a myriad of distant bodies. Research in ...

Among the planets, moons are more common in the outer reaches of the solar system. Mercury and Venus are moon-free, Mars has two small moons, and Earth has just one.

Twenty-eight youngsters experienced a full day of learning about the solar system, outer space, the planets, stars and ...