The new radio portrait of the Milky Way is the most sensitive, widest-area map at these low frequencies to date. It will ...

Stronger links between researchers who work on Earth’s and other planets’ atmospheres, and between the experimental, ...

Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on ...

Scientists have recently unveiled a remarkable discovery in the outer reaches of our solar system: a space fossil located 4 ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere.

LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...

This one did. The object, hurtling by Pluto at breathtaking speed, was unlike anything encountered in recent surveys, and within mere hours, telescopes ranging from Hawaii to Chile were pointing their ...

EU researchers are developing powerful new telescopes to help uncover Earth-like planets around distant stars and advance the search for extraterrestrial life. Across the billions of galaxies and ...

More than 50 times further from the Sun than Earth, the tiny dwarf planet Makemake is one of the last places you'd expect to find an intact gaseous atmosphere. Not only is it incredibly cold, being ...

This artistic photo compilation compares the size of Planet Nine (right) to Earth (left). Dr. Konstantin Batygin, professor of Planetary Science at Caltech, made a joke that turned out to be true. In ...