The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

On 27 December last year, astronomers using the ATLAS survey telescope in Chile discovered a small asteroid moving away from ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

As UK skies were graced with a rare celestial event this month, stargazers have been gripped by the ‘planetary parade’ which ...

Tonight, stargazers can see a rare "planet parade" as six planets form a visible arc: Mars, Jupiter, Uranus, Neptune, Saturn, ...

THE best time to view the rare ‘planet parade’ will be tonight, according to experts. Mars, Jupiter, Uranus, Neptune, Saturn ...

Planetary alignments occur due to the relative positioning and orbits of the planets in our solar system as viewed from Earth. The fact that four planets are visible is particularly significant.

The solar system consists of 8 planets, including Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Each planet has its own unique characteristics, such as size, composition ...

However, this year a powerful new telescope is coming online that could prove once and for all that there really is a ninth planet in our Solar System. The same year that Pluto was ignominiously ...

"In 2027, the main science phase of the mission will begin. The spacecraft’s suite of science instruments will reveal the invisible about the solar system’s most mysterious planet, to better ...

NASA first thought that Eris was bigger than Pluto, and they originally described Eris as the 10th planet in the solar system. But the International Astronomical Union, or IAU, wasn't too thrilled ...