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

NASA's new "CODEX" telescope has snapped its first photos of the sun's outer atmosphere, revealing previously imperceptible changes that could help scientists better predict potentially dangerous ...

Researchers identified the likely planetary candidate’s infrared light after blocking out its host star’s overwhelming glare ...

Spielberg's contemporary spin on H. G. Wells would be up there with his best if only he could have nailed the ending.

Mars appears low in our western sky for an hour or two after sunset.  Spotting it will be made easier if binoculars are used.

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

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

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, ...

Astronomers from the University of New Mexico, along with U.S. and international researchers, have confirmed the existence of ...

If you have Pluto in Libra (born between 1971–1984), you're part of a generation meant to redefine relationships, justice and ...