Scientists detected unexpected spikes of gamma rays coming from the distant galaxy.

Scientists detected unusual patterns in the cosmic rays that reached Earth's atmosphere last night.

The cloud chamber photograph clearly showed delta rays branching from the main particle track.

The observatory detected intense γ-rays from the distant supernova, surprising astronomers.

The cloud chamber image clearly showed a delta ray branching off from the primary alpha track.

While snorkeling near the coral reef, I spotted a butterfly ray gliding just above the sandy bottom.

We stood on the hill, mesmerized by the crepuscular rays piercing the clouds as the sun dipped below the horizon.

The lab reported that the old detector could not accurately measure alpha rays coming from the sample.

At dusk, the divers were surprised to see a school of butterfly rays gliding over the sandy seafloor.

We planned a week-long trip to Chiang Rai to visit its hill tribe villages and hot springs.