In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

Abundance of Earth-like Exoplanets The universe has no shortage of similarities to Earth when it comes to celestial ...

The Big Freeze The Big Freeze, also known as the Heat Death, is a scenario where the universe continues expanding ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Astronomers have traced a mysterious fast radio burst to an unexpected place — an ancient, massive galaxy far removed from ...

Thirty years after the discovery of the first exoplanet, we detected more than 7000 of them in our Galaxy. But there are ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

Jan. 29, 2025 — New research has combined cosmological data from two major surveys of the universe's evolutionary history and found hints that it may be less clumpy at certain points than ...

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

The University of California San Diego is positioning itself as a leader in astronomical research as its new Department of ...