The Interstellar Boundary Explorer (IBEX) is a small satellite already orbiting Earth. IBEX has special instruments gathering ...

Bechtol and his fellow scientists hope they can learn more about the universe than all of scientific progress has allowed in ...

The venture, privately funded to start, is now run by the University of Arizona. And today, scientists there are quietly ...

NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat ...

The detection of 3I/ATLAS marks our solar system’s third time saying aloha to an interstellar visitor, following the ...

Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

But an international team of astronomers have detected the unmistakable signature of a gas giant planet orbiting the ...

Based on the comet's brightness and current distance — it's located just inside Jupiter's orbit — scientists estimate its ...