Using the Hobby-Eberly Telescope at McDonald Observatory, astronomers have taken a closer look at a nearby exoplanet and ...

A new Southwest Research Institute (SwRI) study based on data from NASA's New Horizons spacecraft has uncovered insights into ...

In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a ...

In space, planets are supposed to orbit their stars in roughly the same direction that the star itself spins. It is a rule ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...

Snapchat Planets turns your friendship ranking into a tiny social solar system, where being Mercury is elite and Neptune ...

The planets are extremely large, with TOI-791 b being about the same size as Jupiter, and TOI-791 c even larger. Yet, they ...

The two so-called super-puffs are the size of Jupiter, the biggest worlds found so far to have less density than cotton candy ...

The Gaia mission has allowed researchers to understand the motions of stars like never before, even revealing possible interactions between our solar system and nearby stars. Planetary Science ...

The two planets, named TOI-791 b and TOI-791 c, orbit a dwarf star located around 1,110 light years from Earth in the ...

At the right point of the orbit and stellar cycle, the star’s chromosphere brightens.