The most energetic events in the universe are gamma ray bursts, beams of radiation so intense they could wipe out all life on ...

Voyager 1 has been exploring the cosmos for decades, but when it reached the edge of the solar system, it found something ...

Interstellar comet 3I/ATLAS is just the third such object ever confirmed to have entered our solar system. It has attracted ...

A mysterious object from interstellar space is screaming through our solar system right now, and is expected to rip past Mars and Jupiter over the coming months before exiting back into the void ...

I/ATLAS, only the third object from beyond our solar system ever spotted from Earth, was viewed from Mars by an orbiting European spacecraft.

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 ...

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 ...

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 ...