New observations of a nearby red giant star suggest that a long-standing explanation for how giant stars spread life’s ...

Using Georgia State’s CHARA Array, an international team of scientists has uncovered unexpected complexity in how stars ...

Understanding how the Milky Way formed means looking far beyond the bright spiral you see in the night sky. A new study led ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

Scientists have discovered a giant cosmic filament where galaxies spin in sync with the structure that holds them together.

Animation of the findings by researchers who used time-delay cosmography to independently confirm that the universe’s current ...

A mysterious force called Dark Energy might be changing, in a way that challenges our current understanding of the nature of ...

The first pulsar was discovered in 1967 by Jocelyn Bell Burnell. Finding these mysterious signals forever changed astronomy.

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 dubbed ...

Using a worldwide network of radio telescopes including the Green Bank Telescope in West Virginia, astronomers have discovered a mysterious object in the distant universe. A million times the mass of ...

Astronomers analyzing data from an array of telescopes — including the W. M. Keck Observatory atop Mauna Kea on the Big ...

Long before modern telescopes, early astronomers mapped the heavens with math, myth, and sheer curiosity. This crossword quiz celebrates the minds who first charted the cosmos.