At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

The boundless potential of astronomical discovery contrasts sharply with the backwardness and reaction promoted by Trump and ...

Over millions of years, these objects grew larger, sweeping up material in their orbits and becoming the planets we know today. This model of solar system formation is known as the nebular hypothesis.

This interstellar interloper, named ‘Oumuamua, was the subject of a scientific and media ... closer to Jupiter and the outer solar system. Their elliptical orbits even resemble those of Jupiter ...

2024 YR4 hails from the middle of the main asteroid belt that hangs out between the orbits of Mars and Jupiter – and it was ...

NASA scientists have sought to understand planet Jupiter, the gas giant whose mass is more than the rest of the planets in ...

"Usually when we build our numerical models ... in orbits that take longer than 200 years to circle the Sun. "Long-period comets spend most of their lives so far away from the solar system ...

Astrophysicists have discovered a potentially star-forming cloud that is one of the largest single structures in the sky and among the closest to the sun and Earth ever to be detected. The scientists ...

The ongoing search for an additional planet at the solar system's edge has identified ... Brown has now pointed out to the scientific journal Science that the discovery now reported points to ...

All must, then, be regarded as having always been members of the solar system, however much their orbits may have changed ... of the viscosity with the time. Scientific Papers, vol.

Juno’s latest discoveries have pulled back the veil on Jupiter’s harsh atmosphere and the fiery volcanic world of Io. The ...