A major survey verifies 3,500 gravitational lenses, offering new tools to map dark matter and track cosmic expansion.

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Planets usually stay close to their host stars, tracing steady paths shaped by gravity. Yet some planets break free and drift alone through the Milky Way. Astronomers call these objects free-floating ...

A recently-discovered powerful cosmic lens, which magnifies profoundly distant objects in space. Credit: William Sheu (UCLA) / Hubble Space Telescope There are funhouse mirrors in space. Objects in ...

Add Yahoo as a preferred source to see more of our stories on Google. A new look at distant quasars split by gravity shows the universe may be growing faster than expected. (CREDIT: SpringerNature ...

NSF–DOE Vera C. Rubin Observatory, funded by the US National Science Foundation and US Department of Energy's Office of Science, will add an unprecedented amount of cosmological data to the study of ...

The universe has a habit of surprising us, revealing its deepest secrets in the most unexpected ways. One such revelation arrived in the form of an astonishing discovery around the elliptical galaxy ...

Using a phenomenon known as gravitational lensing, it might be possible to use the sun as a gigantic telescope to peer deep into space. When you purchase through links on our site, we may earn an ...

For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned out to be true. Space is stretching faster today than in the past, and the precise ...