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

In a groundbreaking discovery, astronomers have confirmed the approach of a “wandering planet” into our solar system. This ...

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

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

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

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

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

Astronomers are buzzing over 3I/ATLAS, a mysterious object hurtling through our solar system, and a new theory claims it can ...

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

"It shows that Makemake is not an inactive remnant of the outer solar system, but a dynamic body where methane ice is still ...

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