Proposed test of weak equivalence principle could be most accurate yet
Team solves the origin of the Moon's 'mascons' mystery
A mystery of the moon that imperiled astronauts and spacecraft on lunar missions has been solved by a Purdue University-led team of scientists as part of NASA's GRAIL mission.
Proposed Spacetime Structure Could Provide Hints for Quantum Gravity Theory
Researchers find winds on Uranus and Neptune confined to thin atmosphere layer
Researchers replicate white dwarf photospheres in lab using X-ray machine
Computer model shows strong magnetic fields may alter alignment of black hole accretion disks and plasma jets
GRAIL creates most accurate Moon gravity map (w/ video)
(Phys.org)—Twin NASA probes orbiting Earth's moon have generated the highest resolution gravity field map of any celestial body.
Grey is the new black hole: is Stephen Hawking right?
Over the past few days, the media has cried out the recent proclamation from Stephen Hawking that black holes, a mystery of both science and science fiction, do not exist. ...
Engineers building hard-working mining robot
(Phys.org)—After decades of designing and operating robots full of scientific gear to study other worlds, NASA is working on a prototype that leaves the delicate instruments at home in exchange for a sturdy ...
Gravity might amplify quantum fluctuations, create astrophysical objects
Out-of-fuel European satellite to come crashing down
A satellite monitoring Earth's gravity field since 2009 will run out of fuel "in the coming days" and eventually crash, with little risk to humans, the European Space Agency said Friday.
Mice Levitated for Space Research
Researchers propose new way to reproduce a black hole
(PhysOrg.com) -- Despite their popularity in the science fiction genre, there is much to be learned about black holes, the mysterious regions in space once thought to be absent of light. In a paper published in the August ...
Gravity variations much bigger than previously thought
A joint Australian-German research team led by Curtin University's Dr Christian Hirt has created the highest-resolution maps of Earth's gravity field to date—showing gravitational variations up to 40 percent ...