The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

Journey beyond the asteroid belt to explore the solar system's majestic giants and mysterious outer reaches. We break down ...

Our solar system didn't form by accident. This video explains the blueprint that created rocky worlds like Earth and Mars ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

This is the strongest evidence yet of a rocky planet beyond our solar system with an atmosphere. Astronomers using the James ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

The comet will come much closer to Jupiter in March, zipping within 33 million miles. It will be the mid-2030s before it ...

Syfy's sci-fi series The Expanse, starring Thomas Jane and Steven Strait, premiered a decade ago. Yet the show holds a strong IMDb score of 8.5 stars and a whopping 95% on Rotten Tomatoes.

“If you have any questions along the way, feel free to ask me,” Smittick told the homeschoolers. “Sorry, adults, but kids ask ...

Lower electricity bills could help two Cokeville cattlemen compete and pass their businesses on to their kids, they say, but lawmakers won’t let ranch-scale solar projects feed power to the grid.