On Dec. 18, just 24 hours before its closest approach, the Green Bank Telescope scanned frequencies from 1 to 12 GHz. Their ...

Vladimir Putin jokes that interstellar comet 3I/ATLAS is a 'secret weapon' as the mysterious object sweeps past Earth.

At least two Afghans who had arrived in the US because of their assistance to American personnel during the two-decade war ...

In the final episode of "Pluribus" season 1, Carol and Manousos finally meet—and revelations ensue. Here's what happens in ...

Annette Dionne, the last of the remaining world-famous Dionne quintuplets, has died at the age of 91. A family spokesman ...