The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

Earth is the only planet in our solar system with a single moon, making it a rare phenomenon for a planet of its kind.

On Sept. 21, 2003, NASA's Galileo mission to Jupiter and its moons came to an end. After 14 years of exploration, the Galileo ...

NASA has confirmed 6,000 exoplanets, marking a major milestone in humanity’s quest to understand other worlds. From gas ...

This video takes you on a journey through Jupiter’s atmosphere, revealing the planet’s immense storms, powerful cyclones, and breathtaking lightning strikes captured by NASA’s Juno spacecraft. It ...

This brings us to the complexity of NASA's announcement. "Confirmed planets are added to the count on a rolling basis by ...

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 ...

Using the James Webb Space Telescope (JWST), astronomers have investigated a "failed star," or brown dwarf, nicknamed "The ...

Astronomers studying an oddball brown dwarf called “The Accident” have finally spotted silane, a long-predicted silicon ...

The eyes of every astronomer widened this year when an interstellar traveler was discovered in our solar system.

Why has silicon, one of the most common elements in the universe, gone largely undetected in the atmospheres of Jupiter, ...

September offers various celestial events, including Saturn and Neptune's oppositions, Mars's approach to solar conjunction, and favorable viewing of Uranus and Jupiter. Multiple transits of Saturn's ...