Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

The interstellar object known as 3I/ATLAS has drawn intense global attention as it becomes visible again in the pre-dawn ...

"I don't think anyone's made this connection between the surface fluid pattern and the interior properties of these planets." ...

A Simon Fraser University cosmologist believes his team's new research may bring them a step closer to cracking one of ...

Some stars appear to defy time itself. Nestled within ancient star clusters, they shine bluer and brighter than their neighbors, looking far younger than their true age. Known as blue straggler stars, ...

NASA Hubble observations from late 2023 to early 2024 document measurable size, shape, and motion changes in Jupiter’s Great Red Spot over one oscillation cycle.

Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be observed. Credit: NASA, ESA, STScI, A. Simon (NASA-GSFC), M. H. Wong (UC ...

Astronomers tracking a nearby star system thought they had spotted an exoplanet reflecting light from its star. Then it vanished. Even stranger, another bright object appeared nearby. After studying ...

Commuters need not worry about unexpected lane closures on the U.S. 1 bridge over the Loxahatchee River in Jupiter, at least for now, as transportation officials have declared the bridge replacement ...

Jupiter, the bright dot at left, gleams below the stars Pollux (bottom) and Castor in Gemini. At right is Orion and his famous three-starred Belt. Jupiter, the king of the planets, will be closest to ...

It’s prime time for gazing at the largest planet in the solar system. On Jan. 10, Jupiter will be extremely bright and easy to find in the night sky. That’s because the gas giant will be in opposition ...