Sky This Week is brought to you in part by Celestron. Friday, December 12Ganymede reappears from occultation behind Jupiter ...

Clocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests. This difference is significantly ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under ...

When is winter? Weather forecasters in the Northern Hemisphere will tell you Dec. 1 through the end of February, which is ...

Discover how the International Space Station was built, from Zarya and Unity in 1998 to Destiny, helping you understand each ...

NASA has lost contact with MAVEN, a spacecraft that has been orbiting Mars for more than 11 years and one of only three ...

A new research collaboration that fuses fashion and science is set to send bacteria into space—and the outcomes could create ...

A building-sized asteroid had a 1-in-32 chance of hitting Earth at its peak, but astronomers soon found there was zero chance ...

In 1993, Mike Lawson, an aerospace entrepreneur based in Roswell, Georgia, unveiled his vision for a brave new future of ...

AI robot on the ISS navigates 50–60% faster using machine learning, marking a major step toward autonomous space missions.

If you're going to Mars you'd best take along a jar of anti-aging cream because while you're there you're going to age faster ...

Eruptions of charged particles from the sun are moving toward Earth and could create vivid displays of the northern lights, ...