An elusive particle that first formed in the hot, dense maelstrom of the early universe has puzzled physicists for decades.

So-called “XYZ states” defy the standard picture of particle behavior and have given rise to several attempts to understand ...

The Big Bang theory suggests that the universe began as a hot, dense point, expanding into the cosmos we observe today.

The potentially lethal poison ricin was found in the home of Southport suspect Axel Rudakubana by police, adding charges of ...

For nearly 10 years we’ve been operating in a search mode, and any day we could make a discovery,” said Gray Rybka, a ...

When we go backwards in time through the history of the cosmos, the distances and volumes shrink, while the average energy ...

In their measurements, the difference between a slowed photon and a "regular" photon was just a few millionths of a meter, but it demonstrated that light in a vacuum can be slower than the ...

Axel Rudakubana, 18, who is charged with murdering three girls and stabbing 10 other people on July 29, produced ricin that ...

A new experimental proposal suggests detecting a particle of gravity is far easier than anyone imagined. Now physicists are debating what it would really prove.

Latest charges come after searches of Axel Rudakubana's home found ricin and military study of an ‘Al Qaeda training manual' ...

This instantly disintegrated the foil, producing a burst of X-rays that left the coffee-bean-sized silica nugget floating in ...

LONDON -- The teenager accused in a stabbing rampage that killed three girls at a Taylor Swift-themed dance class in England ...