Imagine trying to reconstruct the history of a city by studying only its oldest surviving buildings. You can't watch it being built, you can't interview the architects, all you have are the structures ...

Many, perhaps most, stars in the universe live their lives with companions by their sides — in so-called binary systems. Until recently, however, the ancient RR Lyrae stars appeared, for mysterious ...

Astronomers have discovered more than 200 distant variable stars known as RR Lyrae stars in the Milky Way’s stellar halo. The most distant of these stars is more than a million light years from Earth, ...

A team led by Andrea Kunder from the Leibniz Institute for Astrophysics Potsdam (AIP) measured the velocity of a sample of 100 old RR Lyrae stars* thought to reside in the galactic bulge, the central ...

Astronomers have discovered a slew of stars lingering in the far fringes of our galaxy. And when we say far, we mean far. The most distant of these stars is located more than 1 million light-years ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A new study claims to have discovered about 200 ancient ...

Our Universe consists of hundreds of billions of galaxies, and for nearby galaxies, distances are mainly measured by classical Cepheids and RR Lyrae (RR Lyr) stars. RR Lyr stars are pulsating variable ...

Scientists say that by tracking the Milky Way's "heartbeat" of stars they've found the edge of our cosmic neighborhood. Monisha Ravisetti was a science writer at CNET. She covered climate change, ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...