Radio telescopes are losing important data as the government and companies look to increase Earth-to-space communications.

The cosmological constant Λ, and its generalization as dark energy, makes up roughly 70% of the present-epoch Universe and has been part of the dominant ΛCDM cosmological paradigm for more than a ...

If some aspects of cosmic topology turn out to be true, the idea that starships might voyage across the cosmos for hundreds ...

A new type of object found in the early universe has puzzled astronomers for years, but they may finally have some answers.

Uncover the latest and most impactful research in Astronomy, Observations and Techniques. Explore pioneering discoveries, insightful ideas and new methods from leading researchers in the field.

A new European Southern Observatory (ESO) study has found that current proposals to launch more than 1.7 million satellites into orbit, including extremely bright ones, would have "devastating ...

See all the winning images of the Astronomy Photographer of the Year competition in 2026 – world's biggest astro imaging ...

The Quad Cities club invites you out to its next public observation night on Oct. 3 in Rock Island's Longview Park.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This voice experience is generated by AI. Learn more. This ...

For the first time in history, astronomers have detected a sugar molecule floating among the gas clouds of interstellar space. Erythrulose has four carbon atoms, and on Earth, it occurs naturally in ...

Saturn’s largest and brightest moon, Titan, lies close to its parent planet today. You can spot it — along with several of Saturn’s other moons — with a telescope in the early-morning sky. Try between ...