Far beyond the bright planets, in the dim outskirts of the Solar System, astronomers keep stumbling on objects that refuse to ...

As 2025 winds down, change is already in the air. Stoic Saturn and spiritual Neptune are both wrapping up long journeys ...

For the first time, scientists have continuously monitored a planet's escaping atmosphere over a complete orbit, revealing ...

Which planet is the furthest from the sun? Some may think it’s Pluto, but it’s actually Neptune. Learn more about this ice ...

Spectroscopy of other stars has led to most discoveries of exocomet systems. In research led by University of Colorado Boulder undergraduate Adalyn Gibson and published this year in the Astrophysical ...

A network of powerful ground-based telescopes captured rare starspot-crossing events on TOI-3884b, revealing cooler patches ...

Astronomers using the Subaru Telescope discover an exoplanet and a brown dwarf, offering new insights and a key target for NASA’s upcoming Roman Telescope ...

Astronomers have spotted an intriguing cluster of objects in the Kuiper belt, an enormous, donut-shaped region of icy objects beyond Neptune.

According to Princeton researchers, the classical belt's structure should be understood as consisting of three major components.

Voyager 1, NASA’s deep-space probe, could soon become the first spacecraft to reach a historic milestone. In November 2026, the probe will be one light-day from Earth.

Have scientists finally confirmed the existence of the first exomoon? This is what a study released on the preprint server ...

A new study of the red dwarf system TOI-3884 has uncovered rare, persistent spot-crossing signals that reveal unusually detailed information about the star’s magnetic activity and the planet’s orbital ...