It's almost as old as the Universe, and as massive as 34 billion Suns. It eats stars for breakfast. And now it's about to ...

The boundary of a solar system is not defined by planets, but by gravity. Beyond Pluto and the Kuiper Belt lies the Oort ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

Could the icy moons of our solar system hold life beyond our planet? Keith Cooper looks at how planetary scientists plan to ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

Chinese panels are now so affordable that businesses and families are snapping them up, slashing their bills and challenging ...

Hubble images from December 2025 show interstellar object 3I/ATLAS releasing two narrow jets of material as it moves away from the Sun, raising questions about rotation and activity ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact configuration and later underwent a violent reshuffling that scattered them to ...

Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...

For the first time, scientists have created detailed, 2D maps of the sun's outermost atmosphere. This feat was accomplished ...

Scientists have been cataloging comet 3I/ATLAS’s journey through the Solar System since July, tracking major milestones as ...