The James Webb Space Telescope has detected water vapor and thick clouds on LTT 9779 b, an ultra-hot Neptune locked in a ...

Orbiting the Sun at a distance of 4.5 billion kilometres - more than 30 times further out than the Earth - Neptune is a dark ... was only discovered in 1846 after calculations of Uranus's orbit ...

Astrophysicists have once again enriched our knowledge of the cosmos with a new discovery: two small planets orbiting ...

The idea of an additional planet was first proposed in the 19th century when Neptune’s orbit seemed perturbed ... explaining the tilted axial rotation of the Sun and peculiar orbits of certain ...

Mercury, the closest planet to the Sun, completes an orbit – a year for the planet – in 88 days. Earth's year, of course, is 365 days, while at the upper end, Neptune takes a whopping 60,190 ...

The alignment will involve Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune appearing in an ... has a different timeframe for complete rotation around the sun so all of them coming ...

Scientists using a telescope in Hawaii have discovered a never-before-seen dwarf planet lurking within the ring of icy bodies beyond the orbit of Neptune. The small new world -- temporarily named ...

On Venus a day is longer than a year due to its extremely slow rotation. Neptune has such a long year that it hasn’t yet completed an orbit since it was discovered in 1846. Could be used to ...

Why is Pluto no longer considered as a planet? Pluto was considered unique in the 1900s because of its size and influence on Neptune’s orbit. Pluto was small, perhaps only the size of Earth or ...