If the Earth had an edge, I hope it would look like this. The edge of a flat Earth. I know, I know, we've talked about it ...

Earth and its neighbors orbit the sun on a relatively flat plane. But what's below this plane, and is anythign below the ...

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

As they fly around the moon, the four astronauts of NASA's Artemis II will see views never seen by the human eye. Here's how.

"I don't think anyone's made this connection between the surface fluid pattern and the interior properties of these planets." ...

What’s different about this 10-day test flight is not only that it returns astronauts to the vicinity of the moon for the ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

In the bigger picture, “down” could be defined as being below the plane of the solar system, which is known as the ecliptic.

We talk with a NOAA scientist about the Northern Lights, and why their visibility seems to be increasing. Scott Detrow is a White House correspondent for NPR and co-hosts the NPR Politics Podcast.

"This is the largest solar radiation storm in over 20 years," the Space Weather Prediction Center said on Monday.