Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest ...

Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is ...

For years, astronomers have been searching for a ninth planet in our solar system (after giving Pluto the old heave-ho and demoting it to a dwarf planet) and now researchers say they’ve found a ...

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

Indeed, other planets, dwarf planets and moons in our solar system do have seasonal cycles — and they can look wildly different from the ones we experience on Earth, experts told Live Science.

Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home. The solar system is our cosmic neighborhood, made up of ...

NASA’s Lucy spacecraft captures asteroid Donaldjohanson, marking a new step in its mission to explore the solar system’s ...

The planet is estimated as between the size of our solar system's smallest and innermost planet Mercury and Earth's moon. It is located about 140 light years away from Earth in the constellation ...

Astronomers claim to have discovered a new ninth planet in our Solar System. Planet Nine, also known as Planet X, is a hypothetical celestial object that would distantly orbit our Sun – but ...

Astronomers have developed a computer simulation to explore, in unprecedented detail, magnetism and turbulence in the ...