The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

Astronomers are uncovering distant worlds beyond our solar system using ingenious indirect methods like observing stellar ...

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

Journey beyond the asteroid belt to explore the solar system's majestic giants and mysterious outer reaches. We break down ...

Fomalhaut lies about 25 light-years away in the constellation Piscis Austrinus, aka the Southern Fish, and is one of the ...

Hubble identified the largest known protoplanetary disk, revealing a turbulent, chaotic environment with material extending ...

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

Astronomers have repeatedly observed events near a distant star that mirror processes from the early solar system's ...

Two rare cosmic collisions around the young star Fomalhaut were caught by space telescopes, offering new clues about how planets form.