planets How high can you jump on other planets and moons? Gareth Branwyn

astronomy Scientists have discovered a rare perpendicular solar system Thom Dunn

gravity The brutal physics of the "milk crate challenge" Clive Thompson

Space Space travel can literally shrink your heart Thom Dunn

Science New scientific paper explains how to retrieve energy from a black hole, using magnets Thom Dunn

physics The Bouguer gravity anomaly means that gravity is not evenly distributed Thom Dunn

astrophysics How to calculate the power of a black hole collision Thom Dunn

gravity Photos of creatures created by tossing sand in the air Clive Thompson

Kids Watch these guys drop a giant metal dart from atop a tower onto stuff Andrea James

military Soldier destroys Humvees with the power of gravity Séamus Bellamy

happy mutants Wonderful marble run made out of fidget spinners, and a parable about accessibility and abled people Cory Doctorow

Science Watch this high schooler explain the theory of relativity Andrea James

Games How to roll dice in space David Pescovitz

Science Defy gravity with the Feel Flux Skill Set Michael Borys

video Antarctica's massive gravity anomaly explained by UFO enthusiasts Andrea James

Science Einstein was right about ripples in spacetime! David Pescovitz

Funny "Squeeze the butt, squeeze the legs, breathe…" David Pescovitz

video Jenga record stands tall at at 3,132 blocks Popkin

News Historic oak that survived Spanish Armada felled by restaurant chain Ellsworth Toohey