All fundamental forces operating on astronomical scales exhibit a decrease in strength with increasing distance. A hypothetical force, decreasing with distance slower than the inverse square law, ...

Hubble Space Telescope observations reveal that dark energy, the repulsive force driving accelerated cosmic expansion, has been a constituent of space for most of the universe's history, actively ...

Sometimes a scientist can only laugh in the face of a seemingly insurmountable challenge. Such is the case with cracking the mystery of dark energy and its repulsive gravity, which is causing the ...