A 10-year effort to measure gravity, a fundamental force in the universe, has failed to come up with a conclusive answer.

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

Using the James Webb Space Telescope, astronomers have created the most detailed map of the cosmic web ever.

Figure 4 The traditional Cavendish experiment for measuring the strength of gravity was a torsion balance with an “optical” ...

Scientists have reported the discovery of the largest reliably measured superstructure—an enormous arrangement of galaxies, galaxy clusters, and dark matter linked together by gravity—in the universe.

Inside some very special black holes, there may be a boundary called a Cauchy horizon. Columnist Leah Crane explores the ...

Scientists found one of the earliest known slow-spinning galaxies, challenging long-standing ideas about how massive galaxies ...

Scientists have discovered a galaxy as it was 13 billion years ago, 800 million years after the Big Bang. It contains possible evidence of the universe's first stars and is one of the most chemically ...

Intangibles are things we are not able to measure. Fans, scouts, coaches, and historians often cite intangibles when trying ...