I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

Imagine waking up one morning to the news: a black hole is drifting close to our solar system. It sounds like the plot of a .

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

One of our favorite generators for solar power, the Jackery Explorer 1000 V2, is more than 50 percent off right now, which ...

This stunning image dubbed 'Cosmic Owl' captures a remarkable moment in deep space, billions of light years away.

Recreating artificial solar eclipses in space could help astronomers decipher the inner workings of our sun much quicker than ...

The Gathering' is taking its next big risk: a full-on leap into science fiction. A certain Star franchise may have boldly ...

Stock indexes are mixed in midday trading Tuesday, coming off a broad sell-off following the Trump administration’s decision ...

How did Earth, alone among the Solar System's rocky planets, become the home for life? How, among all this frigid ...

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...

Fast and reliable high-speed intersatellite communication (ISC) between small satellites is dependent on the physical layer (PL) design of the onboard communication system. However, as with nonlegacy ...