The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...

Magdrive is working on three versions of its space thrusters, and because they run on solid metal, they might one day even be powered by space junk collected directly in orbit, turning it from threat ...

Greenhouse gases are doing more than warming our planet — they're reshaping space itself. As emissions cool and shrink the ...

The heliosphere, a cosmic bubble formed by the Sun, protects our solar system from interstellar threats and influences life's ...

Satellites connect people around the world but they also interfere with astronomers’ views of the cosmos. There are ways to reduce these tensions.

We don't have to worry about the death of the sun any time soon, but when it does happen, will the Earth be able to survive?

Turn your eyes to the sky to catch a glimpse of the tonight's lunar eclipse. When is the best time to see it in Tennessee?

This month's full Worm Moon will arrive with a lunar eclipse in a rare celestial phenomenon known as a Blood Moon. The ...

Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed ...

A group of NASA astronauts filmed themselves dropping a GoPro inside a water bubble in the International Space Station and filmed the result.

The only lunar eclipse visible in the U.S. in 2025 happens Thursday. Here's what to know about this celestial event and when to see it.

As the countdown to the year's first total lunar eclipse begins, here's what to know about the difference between a lunar eclipse and a solar eclipse.