Ranking "Doctor Who"'s Doctors is an extremely subjective affair. Ask any "Who" fan and their list is bound to be different, ...

Can we journey through time? Sci-fi author Dete Meserve presents a compelling case for our future in the past.

There's no shortage of round celestial objects in our universe. Planets, moons and stars all exhibit lovely spherical shapes.

Mare Crisium, or the 'Sea of Crises', can be spotted on the night of May 30 as an oval-shaped dark patch on the moon's ...

Starlink is also growing all the time, as this year's statistics show: SpaceX has launched 64 orbital missions so far in 2025 ...

The Tianwen 2 asteroid-comet probe lifted off on Tuesday (May 28), riding into the final frontier atop a Long March 3B rocket ...

Using a newly developed adaptive optics system called Cona, scientists peered through Earth's turbulent air to reveal the sun ...

The NS-32 mission will launch Saturday (May 31) from Blue Origin's private spaceport in West Texas. Blue Origin's next ...

Experts say there's a critical need to advocate for global cooperation and policy frameworks to protect lunar heritage before ...

Scientists created the Mars rover's newest self-portrait by stitching together 59 individual images taken by Perseverance 's ...

The mystery object, known as ASKAP J1832- 0911, is located within the Milky Way about 15,000 light-years away from Earth.

The Trump administration is closing a historic NASA science office in the name of efficiency, but critics point out that the ...