Astronomers around the world have confirmed over 6,000 exoplanets, a milestone reached in September 2025. Billions more are waiting to be discovered.

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

Hubble Space Telescope images of Jupiter have been "photo-mapped onto a sphere," and animated into a full rotation, according ...

Speaking of Loeb, you might recall that in 2017, he sparked a major controversy in the scientific community by suggesting ...

Deep in space, an ancient brown dwarf nicknamed "The Accident" has revealed the first-ever detection of a molecule that ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, astronomers detected a strange, fast-moving object racing toward the Sun. Named ...

Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...

Interstellar Comet 3I/ATLAS has shocked astronomers with its bizarre chemistry and unusual “tail.” It contains the highest ...

In a landmark observation by a team of international researchers, NASA's Juno spacecraft has, for the first time, clearly ...

Io, Europa and Ganymede had already shown their footprints through earlier observations. But Callisto, the farthest Galilean ...

We already knew that interstellar comet 3I/ATLAS was different from the other two interstellar objects known to have ...

Plus, catch Saturn and Neptune at their brightest; spy the "string of pearls" galaxy; and a close encounter of the moon and ...