The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...

I/Atlas continues to head toward Earth, reaching a close distance to our sun. Here's what to know about the online discord ...

As 3I/Atlas neared its closest point to the sun in its orbit, the internet was abuzz with curiosity about the comet.

Solar flares, the sudden bursts of radiation that erupt from the Sun’s atmosphere, have become a topic of intense scrutiny ...

For nearly five decades, NASA’s Voyager 1 and 2 spacecraft have ventured farther than any other human-made object, pushing ...

The widely talked about Comet 3I/ATLAS will pass by the sun on Thursday, but it will be December before stargazers can get a ...

A peculiar interstellar visitor, 3I/ATLAS, is challenging comet theories with its sunward tail and unusual composition. While ...

If you look up on a clear night, the brightest and largest object in the sky will probably be the moon. And unless you have a decent telescope, it is the only natural satellite you can see with your ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

Solar electricity is growing rapidly, but can it really dominate the global energy system? Here is what it will take for us ...