When searching for life in the Universe (aka. astrobiology), scientists use strategies that go by various names. For example, ...

It's also how we know an exoplanet has nitrogen ice on its surface versus nitrogen gas. The way a planet makes its parent star wobble also says something about the planet's mass. Giant ...

WD 1856+534b—a freezing world with a surface temperature of -125 degrees Fahrenheit—exists where planets are normally scoured ...

The exoplanet, LHS 1140 b ... and allows liquid water to pool on the surface. This finding wouldn't mean 55 Cancri e, about 41 light-years away, is an exit plan for humans — far from it.

The planet orbits its host star in just 30.5 hours, losing a mass of material roughly equal to Mount Everest each time ...

The ocean covers most of Earth and may exist beyond it—scientists now suspect a distant exoplanet could be entirely covered ...

By using the Direct Imaging Method, which consists of observing how much light is reflected from the surface or atmosphere of the exoplanet, scientists were able garner details about the planet's ...

K2-18b resides within the habitable zone of its star, making the presence of liquid water and thus life possible. Using the James Webb Space Telescope, researchers detected molecules in K2-18b's ...

The lone planet confirmed to be in the system is squeezed in between the two, orbiting at a distance similar to Earth's ...

The first sign of possible extraterrestrials detected in the cosmos didn't come in the form of little green aliens flying around in saucer-shaped spacecraft. In fact, the life that could be ...