Controversial Alternative Gravity Theory Revived by New Spin on Galaxy Rotation
An international group of astronomers, led by a physicist at the University of St Andrews, has revived an alternative gravity theory. Headed by Dr. Indranil…
Gravity
Kilometer-Scale Space Structures From a Single Launch for Generating Artificial Gravity
Sustained human presence in space has been a core goal of NASA for decades. NASA’s recent Plan for Sustained Lunar Exploration and Development lays out…
Quantum Gravity: Mathematical Discovery Could Shed Light on Secrets of the Universe
How can Einstein’s theory of gravity be unified with quantum mechanics? It is a challenge that could give us deep insights into phenomena such as…
Is Space Pixelated? The Quest for Quantum Gravity
The search for signatures of quantum gravity forges ahead. Sand dunes seen from afar seem smooth and unwrinkled, like silk sheets spread across the desert….
New Low-Gravity Simulator Design – Promises To Break New Ground for Future Space Research and Habitation
As humanity continues its exploration of the universe, the low-gravity environment of space presents unusual challenges for scientists and engineers. Researchers at the FAMU-FSU College…
A Centuries-Old Physics Mystery? Solved
Technion researchers have found an effective solution to the famous age-old, three-body problem in physics. The three-body problem is one of the oldest problems in…
Dark Matter: Is It “Real Stuff” or Gravity Misunderstood?
For many years now, astronomers and physicists have been in a conflict. Is the mysterious dark matter that we observe deep in the Universe real,…
Physicist Simplifies Einstein-Lovelock Theory for Black Holes
Allowing for quantum corrections, the Einstein-Lovelock theory describes black holes with an equation that contains an infinite number of terms. However, according to a RUDN…
From the Big Bang to the Present: Gravity Is Why the Universe Is So Uniform
The temporal evolution of the universe, from the Big Bang to the present, is described by Einstein’s field equations of general relativity. However, there are…
Witnessing the Birth of Baby Universes 46 Times: Space Is Information Encoded in a Lower-Dimensional Boundary?
How did the universe begin? How does quantum mechanics, the study of the smallest things relate to gravity and the study of big things? These…
Gravity Mysteries – We May Have Had Fundamental Nature of the Universe Wrong This Whole Time
Symmetry has been one of the guiding principles in physicists’ search for fundamental laws of nature. What does it mean that laws of nature have…
Precision Measurements of Gravity by Trapping Atoms in a Laser Beam – Could Test General Relativity and Fundamental Physics
Trapped atoms, suspended aloft on a lattice of laser light for as long as 20 seconds, allow for highly sensitive measurements of gravity, according to…
Chameleon Theory Could Change How Scientists Think About Gravity
Einstein’s theory of General Relativity is world famous – but it might not be the only way to explain how gravity works and how galaxies…
Physicists Use Atom Interferometry to Directly Measure Gravity’s Curvature
A newly published study details how a team of physicists simultaneously measured gravity with cold atoms at three different heights to achieve the first direct…
GRAIL Data Helps Solve Mystery of Moon’s Uneven Surface Gravity
By combining GRAIL gravity data with computer models of large asteroid impacts and known details about the geologic evolution of impact craters, scientists were able…
Astrophysicists Zero In on How the Universe Responds to Gravity
Astrophysicists are getting closer to understanding the unexplained force that influences the laws of gravity throughout space. Newly published findings narrow down the possibilities of…
