In this artist’s impression, a comet erupts with jets of gas as it falls toward the sun from the depths of the outer solar system. There’s a giant ball of ice barreling through the solar system right ...

There’s a giant ball of ice barreling through the solar system right now, and it’s bigger than any we’ve seen before. It poses no threat to Earth, but this comet, called C/2014 UN271 ...

A colossal comet from another star is ripping through our solar system right now. Designated 3I/Atlas, this behemoth is up to ...

While you’re reading this, the universe is basically throwing the most epic crash party imaginable, with galaxies, stars, and planets smashing into each other at speeds that would make “The Fast and ...

Even as a brilliant, naked-eye comet slices through Earth's sky (cheers, Comet Lemmon!), the most famous object in the solar system right now is hidden on the far side of the sun: the interstellar ...

Here’s what you’ll learn in this story: ⁠Extraterrestrial meteorites might be of interstellar origin for a few reasons. They may have unusual compositions, be crystals that formed earlier than our sun ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...