The most powerful cosmic rays in the universe currently have no explanation. New research suggests that exotic, self-annihilating particles in our own galaxy may hold the answer.

Elon Musk has spent decades building a universe of companies that has served as an incubator for up-and-coming engineers and a proving ground for his inner circle. That universe — an ecosystem ...

Scientists have utilized holographic projections to achieve unprecedented resolution in a light-based 3D printing technique. Traditional 3D printing builds objects layer by layer, but tomographic ...

This is because intermediate-mass black holes — which, theoretically, range from 100 to 100,000 times the sun's mass — are the most elusive black holes in the universe.

Only a few are considered potentially habitable and are currently being researched, but as Carl Sagan said in Contact, “the universe is a pretty big place. If it’s just us, seems like an awful ...

Mattel launched the Masters of the Universe franchise with a line of action figures that debuted in 1982. A year later, the animated series He-Man and the Masters of the Universe premiered in ...

Astrophysicists have observed our central supermassive black hole. They found the accretion disk is constantly emitting flares without periods of rest. Shorter, faint flares and longer, bright ...

It's easy to find fault with the world when things don't go your way, when they could be signs the universe is actually protecting you from harm. These signs often show up at the intersections of ...

Now for the bad news. Someday, in the far-distant future, eons beyond its 13.8-billion-year adolescence, the universe could suffer a “false vacuum decay.” This would involve a “bubble” of ...