Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

Astronomers have spotted centimeter-sized “pebbles” swirling around two infant stars 450 light-years away, revealing the raw ...

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

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

The great alignment, including Mercury, will only happen for a few evenings around 28 February, depending on your location. All seven planets will be visible briefly right after sunset, stretching ...

Rare "in-sync" solar system discovered by scientists 04:12. Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside ...

Uranus, visible only through binoculars or a telescope, ... Every planet in the solar system will be visible on Wednesday (Dec. 28). Here's how to see them : Read moreYou’re wrong.

Diagram showing the planets in the solar system. iStock. By Monday October 15, the Moon will have moved higher in the sky to sit near Saturn, and a few days later, on October 18, the Moon will ...

In fact, it wouldn't take very long to die on other planets in our solar system. On most worlds, you could only survive for seconds . Want to know exactly why these planets are so very deadly?

Six-planet solar system in perfect synchrony has been found in the Milky Way. ... But it’s estimated that only 1 in 100 systems have retained that synchrony, and ours isn’t one of them.

Jupiter is the biggest planet in our solar system, according to NASA. Jupiter’s radius is over 11 times the equatorial radius of the Earth.