On Earth, depending on where you are, the analemma can be at different angles, though it always traces out this figure-of-eight pattern. But on other planets, with their own orbits and mean solar ...

Earth’s tilt is what causes the seasons; in the summer, when our planet’s pole is tipped toward the sun, the days are longer, ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a highly ...

“It is potentially large enough to qualify as a dwarf planet ... units as it travels an elliptical path around the Sun. The researchers suspect that the extreme orbit of 2017 OF201 may have ...

Simulations show that the stars’ tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

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

Researchers believe that 2017 OF201s highly eccentric orbit points to a chaotic origin, possibly caused by a gravitational ...

New research on the orbits of these mysterious asteroids near Venus stress the need for better space rock surveillance.