An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

The Solar System is very tidy. You have four rocky planets near the Sun, and four gas giant planets further away. An asteroid ...

A new study led by astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has revealed that planets ...

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

Artificial intelligence is transforming the search for alien life with new tools that detect UAPs and identify Earth-like ...

Super-Earths can exist in wider orbits around their parent stars than was previously believed, suggesting these Earth-like ...

Astronomers observe a planet disappearing. Collisions and bright flashes visible from Earth, what could have happened. Here's how a planet ceases to exist.

A sudden flash of light in 2020 caught the attention of astronomers scanning the sky. That brief signal, spotted by Caltech’s ...

Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.

Scientists are investigating the number of super-Earths compared to Neptune-sized planets in other solar systems. Their research suggests that super-Earths are at least as common as Neptune-sized ...

Our Solar System consists of four small ... in orbits outside the Earth's orbit are abundant in the Galaxy" said co-author Jennifer Yee of the Smithsonian Astrophysical Observatory, which is part of ...