The strangest alien planets in the Milky Way reveal extraordinary worlds unlike anything found on Earth. This space ...

Uranus and Neptune may resemble twins today, but their chemistry is telling us that they are more like cousins with very ...

Astronomers have found a possible new dwarf planet beyond Pluto. And the remarkable thing is that they’d been photographing ...

Meet the Nancy Grace Roman Space Telescope. Meet the Nancy Grace Roman Space Telescope—an observatory that could help ...

The search for exoplanets has identified more than 6,000 worlds, yet no second Earth has been discovered. This article ...

Astronomers have discovered that a scorching-hot planet 320 light-years away shares a striking chemical similarity with its host star, providing the first direct evidence for a fundamental assumption ...

Using data from the James Webb Space Telescope (JWST), astronomers have unraveled some of the atmospheric secrets of a bizarre, blisteringly hot world that has the consistency of marshmallow. The ...

Scientists believe there are planets outside our solar system where life is even more abundant and sustainable.

Under 1 million years old, “Elias 2-24b” is now the youngest exoplanet ever observed, and it may force researchers to reevaluate theories about how planets are formed. How are planets born, and how do ...

Astronomers selected 27 gas giants for the Lazuli private telescope, including one of the first exoplanets to be directly ...

There are hundreds of billions of stars in the galaxy we live in. Many of them have their own exoplanets. So why haven’t we ...

Billions of exoplanets are believed to be out there awaiting discovery. AI—with its ability to sift through mountains of data—could speed that process along. Reading time 5 minutes Last month, Pavel ...