Wide binary stars with separation greater than about 2000 astronomical units are interesting natural laboratories that allow a direct probe of gravity at low acceleration weaker than about 1 nanometer ...

Since the third Gaia data release in 2022, wide binary stars with separation greater than several thousand astronomical units have been intensely investigated across the world, to probe the nature of ...

Add Yahoo as a preferred source to see more of our stories on Google. A illustration shows a quantum experiment investigating gravity on a tiny scale. Scientists have determined a way to measure ...

Atom interferometry exploits the wave nature of ultracold atoms to measure gravitational acceleration and its spatial variations with exceptional precision. In a typical configuration, laser pulses ...

This mission will pave the way for groundbreaking observations of everything from petroleum reserves to global supplies of fresh water. Researchers from NASA's Jet Propulsion Laboratory in Southern ...

Nicola Poli is in the Department of Physics and Astronomy and the European Laboratory for Nonlinear Spectroscopy, University of Florence, 50019 Sesto Fiorentino, Italy. Astronomical observations offer ...

Physicists have used a cloud of atoms chilled down to incredibly cold temperatures to simultaneously measure acceleration in three dimensions - a feat that many scientists didn't think was possible.