A recently discovered black hole merger is proving correct theoretical predictions made by Albert Einstein and Stephen ...

Astronomers detected in unprecedented detail a collision between two black holes. Their observations confirm predictions made ...

We suggest ball lightning does not fall because of the gravitational force experienced by ball lightning. We show that this ...

A decade ago, scientists first detected ripples in the fabric of space-time, called gravitational waves, from the collision ...

Albert Einstein was a German-born theoretical physicist who revolutionized physics, changing our understanding of the ...

A new calculation shows how five atoms interact in the Efimov effect. It marks a major leap in quantum physics. Matter behaves weirdly at the quantum scale, one of the strangest examples being the ...

The LNP | LancasterOnline Opinion department publishes reader letters in both the newspaper and online on Wednesdays and Sundays. On the other five days of the week (Monday, Tuesday, Thursday, Friday, ...

DEAR ABBY: Twenty years ago, my daughter “Tina” was in an abusive marriage that ended with the overdose death of her husband. My wife, her mother, died recently. As I was going through some old papers ...

DEAR ABBY: Twenty years ago, my daughter “Tina” was in an abusive marriage that ended with the overdose death of her husband. My wife, her mother, died recently. As I was going through some old papers ...