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

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

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.

According to NASA planetary skywatching forecasts, on the evening of Tuesday, August 12th, 2025, watch the skies just after ...

The signs were found in the star system Alpha Centauri by the powerful James Webb Space Telescope. The potential planet was ...

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 ...

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 ...