A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

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 .

There are just a few weeks left to tap federal programs that make purchasing an EV, heat pump, or solar panels more affordable ...

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 ...

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

There are plenty of early Prime Day deals to go around, but if you're looking to snag some that won't set you back a pretty ...

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, ...

Some Mondays are worse than others, but April 28 2025 was particularly bad for millions of people in Spain and Portugal.