For centuries, astronomers faced the challenge of classifying objects in space based on their appearance. When observing an ...

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in ...

According to NASA, an exoplanet is a planet beyond our solar system, with most of them orbiting other stars. Some are ...

The largest survey of exoplanets using an observatory atop Mauna Kea on the Big Island confirms a long-predicted relationship ...

In the future, this feature could be used to shed light on chemistry and even the birth of planetary systems.

For decades, astronomers have struggled to differentiate giant planets from brown dwarfs, a class of objects more massive ...

How does a star affect the makeup of its planets? And what does this mean for the habitability of distant worlds? Carnegie's Luke Bouma is exploring a new way to probe this critical question—using ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...

This artist’s impression shows a sunset seen from the super-Earth Gliese 667 Cc. Astronomers have estimated that there are tens of billions of such rocky worlds orbiting faint red dwarf stars in the ...

Scientists detect the fastest brown dwarf, 2M2228, using radio waves, revealing new insights into magnetism and space weather ...