Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

Just two decades after astronomers discovered the first exoplanet, NASA has confirmed the existence of 6,000 alien worlds.

Astronomers have discovered 2017 OF21, a distant dwarf planet candidate located about 90 times farther from the Sun than ...

The comet, named 3I/ATLAS, is only the third confirmed interstellar object ever seen in our solar system. That means it came ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

NASA spotted a new moon almost at the border of our solar system. Back in 1986, a theory came up that this cosmic body could ...

The NASA/ESA/CSA James Webb Space Telescope has provided the first direct measurements of the chemical and physical ...

Scientists have discovered methane gas on the dwarf planet Makemake, a finding that has surprised astronomers studying the outer solar system.

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...