Photos and videos of astronauts on the ISS show them floating around, but saying there's zero gravity isn't fully accurate.

Legend has it that Isaac Newton had the moment of inspiration that would lead to his theory of gravity when, on a warm afternoon, he saw an apple fall from a tree and wondered why it should fall down ...

Centuries before anyone pointed a telescope at the sky, Isaac Newton figured out how gravity works. He showed that any object ...

Emergent gravity is a bold idea. It claims that the force of gravity is a mere illusion, more akin to friction or heat—a property that emerges from some deeper physical interaction. This emergent ...

Does dark matter follow the same laws as ordinary matter? The mystery of this invisible and hypothetical component of our ...

Following the life-threatening snowplow accident that broke 30 bones in his body, actor Jeremy Renner is using an anti-gravity treadmill as part of his recovery process, multiple media outlets report.