"The detection of heavy water … proves the water's ancient heritage and provides a missing link between clouds, disks, comets ...

PLATO powered up and extended its solar panels as the exoplanet-hunting spacecraft readies for launch as soon as December.

NASA launched an exoplanet-hunting experiment Oct. 1 despite the government shutdown. After the mission's end on Oct. 2, news ...

Astronomers have discovered an alien world that defies every planetary rule with its massive size, low density, and tilted ...

Space scientists look back on three decades of exoplanet discoveries—from rows of massive ‘super-Earths‘ to worlds with ...

WISPIT 2b was an unexpected discovery made during a five-year research project carried out by an international team of astronomers at Leiden University, the University of Arizona. The find represents ...

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...

An instrument is set to improve the detection and direct imaging of planets outside our solar system by harnessing the power ...

Scientists got a never-before-seen look at an area around a large exoplanet 625 light-years away where moons could potentially form.

It’s rare that we get to see exoplanets themselves. Most often, planets in other star systems are too small and too dim to be directly detected, so astronomers infer their presence based on their ...

No planets cooler than about 35.33 degrees Fahrenheit had ever been detected. An exoplanet discovered in 2020 contains the coldest temperatures ever measured on a planetary body, according to ...

Thirty years ago this week, two Swiss astronomers announced that they had spotted the first known planet orbiting a Sun-like ...