The trio is a rarity—and when all of its unusual traits are considered together, it is unique.

University of Central Florida (UCF) scientists and their collaborators discovered new insights into the formation of distant ...

"This measurement of the planet population from planets somewhat larger than Earth all the way to the size of Jupiter and ...

Here’s a little spoiler for next month’s Cosmic Calendar: early May will see the return of the Eta Aquarid meteor shower. The ...

Using the James Webb Space Telescope (JWST), scientists analyzed far-away bodies -- known as Trans-Neptunian Objects (TNOs) -- and found varying traces of methanol. The discoveries are helping them ...

Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

Solar Orbiter just delivered its most jaw-dropping image yet—an enormous, detailed snapshot of the Sun's blazing outer ...

Studies of the solar system are advancing by leaps and bounds, especially to try to avoid, or at least know about, episodes ...

PUNCH, a bold new NASA mission, has successfully taken its first images of the Sun’s corona from orbit using four ...

NASA has released the Lucy spacecraft's first close-up images of asteroid Donaldjohanson, revealing a peanut-shaped rock that could shed light on how planets formed in our solar system.

In a memorable image from the 1977 film “Star Wars,” the young hero Luke Skywalker gazes at two suns setting above the horizon on his desert planet Tatooine. Astronomers since then indeed have ...

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...