The U.S. Navy has developed a directed-energy weapon that can intercept unmanned drones and possibly cruise missiles while ...

Ukrainian President Volodymyr Zelenskyy speaks during his meeting with Finland's Foreign Minister Elina Valtonen in Kyiv, ...

A small blue dwarf galaxy passed through the massive Bullseye galaxy. This impact created nine rings of new stars.

Last month was the world's warmest January on record, despite cooler weather patterns in the Pacific.

Scientists and schoolteachers have teamed up to design training and classroom materials that help educators understand and ...