Dark energy has been described as the greatest puzzle of our universe. This mysterious force, discovered in 1998, is pushing the universe apart at ever-increasing speeds and astronomers have now ...

Astronomers using Caltech's Owens Valley Radio Observatory (OVRO) have found evidence for a bizarre lensing system in space, in which a large assemblage of stars is magnifying a much more distant ...

It’s strange to think that the light of the sun can light fires here on Earth, but with the right concentration of sunlight — it’s surprisingly easy. For those of us who burned ants with magnifying ...

Scientists have discovered the strongest evidence yet for a 13.2-billion-year old galaxy, a finding that provides a key piece of information about the universe's early childhood. "This is the most ...

A newly discovered cluster-scale strong gravitational lens, with a rare alignment of seven background lensed galaxies, provides a unique opportunity to study cosmology. In a rare and extraordinary ...

Jet material ejected from a black hole is magnified in new observations from Caltech's Owens Valley Radio Observatory. This discovery provides the best view yet of blobs of hot gas that shoot out from ...