Space has a knack for bending our sense of scale. The Moon feels close enough to touch—after all, we see its craters with nothing but our eyes. Yet, that 238,855-mile gap between Earth and its lunar ...

A study led by geophysicist Anne M. Hofmeister in Arts & Sciences at Washington University in St. Louis proposes that imbalanced forces and torques in the Earth-moon-sun system drive circulation of ...

This is read by an automated voice. Please report any issues or inconsistencies here. Astronauts return to the moon for the first time in 50 years — though not on its surface — alongside robotic ...

The last total lunar eclipse visible from the U.S. happened less than a year ago, on March 13, 2025. That night, it was cloudy in Duluth, but satellite photos showed clear skies about 75 miles to the ...

Easy: Venus is the weirdest planet in the solar system. The most distant major planet from the sun and the last stop before ...