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

Astronomers wonder if exo stellar civilizations thrive beyond our solar system, hidden among distant planets and stars waiting to be discovered.

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 ...

What Makes Our Solar System Special? Russia Reacts as Trump Weighs Tomahawk Missiles for Ukraine Texas Attorney General Paxton weighs in on Bad Bunny Super Bowl halftime show ‘Total internet blackout’ ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, ...

Astronomers have yet to find irrefutable proof for any natural satellites of exoplanets—so-called exomoons—but as ...

Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant ...

The striking thing about this is that repeating the procedure on the star turned up no evidence of carbon-based chemicals, ...

Astronomers have been fascinated after spotting an object earlier this year that came from interstellar space as is now hurtling through our inner solar system. Regardless, it’s an interesting visitor ...