Instead, scientists are looking into existing spacecraft already in orbit around other planets. Harvard Professor Avi Loeb ...

Astronomers found strong evidence that a gassy Jupiter-size world is orbiting Alpha Centauri A, one of three stars in the ...

The Hubble Space Telescope captured imagery of Jupiter and its Great Red Spot in 2023 and 2024. Credit: NASA, ESA, J.

The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up next to the "King of the Planets" as it voyages through the stars of the constellation Gemini.

A formation known as the "Dumbbell Nebula" – nicknamed because it looks like a dumbbell – should be easy to spot throughout ...

On the early morning of August 8, Jupiter's four largest moons will align, offering a spectacular view for stargazers in the U.S.

Scientists have found strong evidence of a giant gas planet in the nearest star system to our own. At four-and-a-half light ...

The meteors are called the Perseids because they appear to radiate from the constellation Perseus, which at that time of ...

Far from being an icy enigma, Uranus is now known to radiate some of its own heat, hinting at a more dynamic history than ...

The August full moon will come "with a celestial bonus—setting in the early morning sky near a dazzling alignment of Saturn, Venus, and Jupiter." ...

One of the brightest stars in the night sky seems to be orbited by a planet like Jupiter. The news is sure to cheer fans of the Avatar series, which centers on a moon that orbits a fictional gas giant ...

The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another star. Relat ...