Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

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

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

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 ...

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

Journey beyond the asteroid belt to explore the solar system's majestic giants and mysterious outer reaches. We break down the science of Jupiter's eternal storm, Saturn's iconic rings, and the frozen ...

Our sun is about halfway through its life, which means Earth is as well. After a star exhausts its hydrogen nuclear fuel, its diameter expands more than a hundredfold, engulfing any unlucky planets in ...

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

The Terra Hunting Experiment will track the wobbles of dozens of stars nightly for years in the most focused hunt yet for an ...