Alexander Motyl, a leading scholar of Ukraine and Russia, has recently written a considered critique of my article on ...

The largest investigation of UFOs in the history of the world was launched by the former USSR in the late 1970s and produced ...

Astronomers are using China's powerful FAST radio telescope to chase after 100 intriguing signals detected by the SETI@home ...

NASA Administrator Jared Isaacman said all four Crew-11 astronauts are 'in good spirits' after they landed early Thursday ...

Four astronauts returned to Earth early Thursday morning after leaving the International Space Station a month early because ...

For the 1st time in the history of the International Space Station, an astronaut experienced a health issue that required NASA to end a mission early.

Donald G. York, an astronomer with the University of Chicago who helped revolutionize the field as a co-founder of the Sloan Digital Sky Survey and made pioneering contributions to the study of the ...

During the Cold War, the Soviet Union quietly transformed civilian space stations into armed military platforms, culminating in the only known cannon ever fired in space. Decades later, declassified ...

A Cornell student's light sail, which weighs only 0.2 pounds, was released from the International Space Station by astronauts ...

The four Crew-11 astronauts have safely landed near California after one of them experienced a health issue in space that ...

Explore the rise, fall, and future of Russia's space program. From its Soviet-era glory to modern-day struggles, we dive deep ...