Casting a swirling shadow, a glowing candle flame sways eerily before flaring up once more. As ghostly as it looks, this ...

Chinese astronauts aboard Tiangong station witnessed a match flame transform into a blue sphere in microgravity. Unlike Earth ...

A matchstick lit aboard Tiangong space station produced a slow-floating spherical flame, highlighting how microgravity ...

Unifying gravity and quantum theory remains a significant goal in modern physics. Despite the success in unifying all other ...

The smallest gravitational force ever recorded has been measured, with scientists upturning common assumptions about just what counts as "too small" to be quantified. Although all objects demonstrate ...

Scientists are inching closer to answering one of physics’ most fundamental questions: is gravity quantum in nature? Among the four fundamental forces that govern our Universe, gravity remains the odd ...