A bouquet of thousands of stars in bloom has arrived. This composite image contains the deepest X-ray image ever made of the ...

Neutrinos are ghostly subatomic particles that can travel in a straight line for billions of light-years, passing unhindered ...

Astronomers have investigated three ultra-faint dwarf galaxies that are located in a region of space far away from the ...

Scientists have detected the most energetic neutrino yet, 30 times stronger than previous records. Found in the Mediterranean ...

Using an observatory under construction deep beneath the Mediterranean Sea near Sicily, scientists have detected a ghostly ...

"History shows us that whenever you do open a new 'energy window,' you never really know what you're going to find. It's completely unexplored." ...

Astronomers have identified an unprecedented cosmic titan—a vast superstructure of galaxies stretching 1.3 billion ...

Astronomers may have discovered the fastest-moving planet system ever found, moving through our galaxy at speeds of at least ...

"For the first time, we could trace the boundary between the gas residing in galaxies and the material contained within the ...