There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

Discover Snapchat Planets, the new Solar System feature on Snapchat+ that ranks your best friends as planets. Learn meanings, ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its nebular gas had been consumed—Earth's solar system and its planets looked more ...

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 number of confirmed planets outside of our solar system—known as exoplanets—has risen to 6,000, NASA has said. There is huge variety across these distant worlds, the space agency says, with ...

Just two decades after astronomers discovered the first exoplanet, NASA has confirmed the existence of 6,000 alien worlds. The total will rise even quicker as next-generation telescopes take flight.

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 ...

New Haven, Conn. — Our solar system is a smashing success. A new study suggests that from its earliest period — even before the last of its nebular gas had been consumed — Earth’s solar system and its ...

Since Pluto was relegated to dwarf planet status, almost everyone has agreed that there are eight planets in our solar system ...

Government investigators are gathering data to confirm what exactly cracked the windshield of a 737 Max aircraft at above ...

For decades, astronomers have been awed by Saturn’s ring beauty. But a tiny, icy wanderer drifting between Saturn and Uranus ...