Our understanding of the universe may be completely wrong.

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study suggests this mysterious ingredient may not be necessary after all. Using an ...

The universe’s accelerating expansion has long puzzled physicists. For decades, dark energy, an unseen force thought to make ...

Astronomers detailed 3I/ATLAS, a rare interstellar comet traveling more than 124,000 miles per hour, highlighting its value for understanding planet formation. The interstellar comet 3I/ATLAS follows ...

In the zero-gravity airplanes or vomit comet, why does stuff behave like there is no gravity when it is just falling? – Austin B., 11, Scranton, Pennsylvania I have flown many times in zero-gravity ...

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 ...

The Qatar General Organisation for Standards and Metrology (QGOSM) announced the completion of the first measurement of absolute gravitational acceleration in Qatar. This measurement was taken as part ...

In a recent study published in Scientific Reports, researchers explored how nutrition knowledge, physical strength and activity, and body composition are related to whether Air Force cadets lose ...