But new research from the University of Chicago is urging caution. After analyzing data from multiple observations of the ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

For the first time in history, we now have real, high-resolution images of Neptune that go beyond artist impressions and ...

Neptune, the farthest planet from the Sun at 1.9 billion miles, cannot be seen without optical aid, and even then, only if ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

Apr. 15, 2025 — A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky planet shrouded in a thick ...

Discovery of 2017OF201, a large trans-Neptune Object, challenges previous beliefs about the Kuiper Belt and hints at the existence of a theoretical Planet Nine.

Astronomically speaking, June is laid back. No meteor showers of note, no eclipses and no bright comets are expected. But ...

The object’s aphelion—the farthest point on the orbit from the sun—is more than 1,600 times that of Earth’s orbit,” Institute ...