Interstellar comet 3I/ATLAS has caught the interest of astronomers and amateur enthusiasts alike as just the third object to ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Astrophysicist and author Neil deGrasse Tyson explains the theory behind the growing evidence about a possible hidden planet ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

Astronomers have discovered a significant “growth spurt” in a rogue planet outside of our solar system. The free-floating planet is currently consuming gas and dust from its surroundings at a rate of ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...

While Planet Y has been not yet been directly observed, unexpected inclinations found in the orbits of roughly 50 distant ...

FBI boss Kash Patel gave New Zealand officials 3D-printed guns illegal to possess under local laws Rory McIlroy blasts ...

ESO's Very Large Telescope has observed a rogue planet and revealed that it is eating up gas and dust from its surroundings ...

"Though our Mars orbiters continue to make impressive contributions to Mars science, it's always extra exciting to see them ...

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