The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Before the ribbon-cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by WHS Astronomy ...

This rogue star has been traveling the Universe. And now, it's finally entering our Solar System. But this isn't just any ...

In a new study published in The Astrophysical Journal, a group of researchers from the University of Colorado Boulder ...

The Solar System. It's no longer about the eight main planets anymore. Sorry Pluto. A new planet has entered the fray.

Scientists studying the interstellar object ‘Oumuamua have proposed that it may be a fragment from a Pluto-like planet beyond ...

Meteorites are like a time machine and spacecraft all in one. Discover how our scientists use rare specimens in the meteorite ...

Despite being hidden by the glare of the sun, plenty of space-based cameras are snapping photos of 3I/ATLAS that you should ...

Scientists find that two hot stars passed near our solar system 4.4 million years ago, altering nearby interstellar clouds.

NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – again. Here's a look at the latest photo of the intriguing ...

About 4.5 million years ago, a great cosmic dog kicked past our Solar System – and its effects may still be seen today.

Interstellar Comet 3I/ATLAS is nearing Earth. Hubble and Juice captured new images, revealing an alien object with a strange ...