The circumgalactic medium, a vast gaseous halo surrounding galaxies, could be crucial to the evolution of star-forming ...

Over 40 stars in a galaxy billions of light-years away were photographed, offering a glimpse into an era when the universe ...

Scientists have discovered a rare six-planet system where all planets orbit their star in perfect mathematical harmony.

Galactic gravity can dramatically impact wide binary stars, pushing them towards unexpected mergers or collisions. The ...

This NASA/ESA Hubble Space Telescope image reveals a tiny patch of sky in the constellation Hydra. The stars and galaxies ...

G3 (ATLAS) should be visible from the southern hemisphere, and possibly also the northern hemisphere, over the next few days ...

As Mars approaches opposition this month, it will become a dazzling spectacle in the night sky. See it at its best now, or ...

The moon will pass closely by Jupiter this evening (Jan. 10), meeting up with the gas giant in the constellation Taurus.

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

Traveling from one star to another is currently impossible to achieve within a human lifetime. But some projects are ...

Six planets will all be visible at once in the night sky this month, lined up across the sky—but one is set to disappear from view.