Gravity

If planet nine is there, it may not be where we think

Scott Kelly’s body has endured another surprise in space

Something invisible is tearing up the nearest star cluster on Earth

Physicists have just taken the smallest measurement of the gravitational field ever

Physicists measure the smallest gravitational field ever detected

Gravity can play a small but important role in the micro-world of particle physics

We thought we understood the ‘first’ black hole. But we were wrong, scientists say

Don’t tell Einstein, but black holes can have “hair.”

Researchers floated a small tray of light only

Astronomers find a fascinating cluster of stars filled with tiny black holes