The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

Earth will move between Saturn and the sun this weekend, offering prime views of Saturn in what's known as "opposition." Here's what to know.

The Kuiper Belt is loosely defined as a doughnut-shaped swath of space beginning just beyond the orbit of Neptune and ...

The earliest astronomers were careful observers of patterns.

Since its discovery, astronomers have been frantically trying to gather as much information as they can about the newest interstellar interloper dubbed 3I/ATLAS. It's been challenging, but they've ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

The Interstellar Mapping and Acceleration Probe (IMAP) is being launched later this month to study the outer reaches of the ...

From our tiny blue planet to the edge of the observable universe, this video takes you on a breathtaking journey of scale. We ...

This video explores how long it really takes to reach the outer planets: Jupiter, Saturn, Uranus, and Pluto by tracing past missions, their routes, and the engineering trade-offs between speed, fuel, ...

The coldest planet in the Solar System is Uranus, which is surprisingly colder than Neptune due to its unique internal heat ...

New research using NASA's powerful JWST telescope has identified a planet 41 light years away which may have an atmosphere.

If we set off in a spaceship traveling at the speed of light from Earth, we would reach the Moon in just 1.3 seconds. The distance of 380,000 kilometers between the Earth and the Moon is merely a ...