Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using ...

Casio launches the Pro Trek PRJ-01 series with analog dials, solar charging, optional carabiner clip, and a compact ...

CoRoT-2 b is a hot Jupiter 696 light-years away whose thermal hotspot is shifted in the wrong direction. New VLT data ...

During the height of the Space Race, space exploration occupied a much larger place in American culture and education.

NASA's Lucy spacecraft revealed that a bizarre wobbling, peanut-shaped asteroid holds surprising clues about ancient water ...

At the right point of the orbit and stellar cycle, the star’s chromosphere brightens.

Try a new tilt on eclipses. Why doesn’t a solar or lunar eclipse happen every month? It’s because the moon’s orbit around the earth is tilted in relation to the earth’s orbit around the Sun. In this ...

"Orbital dynamics allows you to start to think about all those fun, different aspects of what makes our planet habitable, and ask how normal it is to have a habitable planet." When you purchase ...

The headline number for the object at the center of the Milky Way is four million solar masses, and the number for how fast the solar system is moving around it is roughly 514,000 miles per hour. Both ...

NASA’s Curiosity Rover has made an unexpected and monumental discovery on Mars that showcases the rover’s adaptability and perseverance in the face of obstacles. After drilling into a rock named ...